20213205900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:729

約数の個数: 288

約数和(自身を含む): 62995968000

約数和(自身を除く): 42782762100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 29, 30, 31, 50, 58, 60, 62, 75, 87, 93, 100, 116, 124, 145, 149, 150, 155, 174, 186, 290, 298, 300, 310, 348, 372, 435, 447, 465, 503, 580, 596, 620, 725, 745, 775, 870, 894, 899, 930, 1006, 1450, 1490, 1509, 1550, 1740, 1788, 1798, 1860, 2012, 2175, 2235, 2325, 2515, 2697, 2900, 2980, 3018, 3100, 3596, 3725, 4321, 4350, 4470, 4495, 4619, 4650, 5030, 5394, 6036, 7450, 7545, 8642, 8700, 8940, 8990, 9238, 9300, 10060, 10788, 11175, 12575, 12963, 13485, 13857, 14587, 14900, 15090, 15593, 17284, 17980, 18476, 21605, 22350, 22475, 23095, 25150, 25926, 26970, 27714, 29174, 30180, 31186, 37725, 43210, 43761, 44700, 44950, 46190, 46779, 50300, 51852, 53940, 55428, 58348, 62372, 64815, 67425, 69285, 72935, 74947, 75450, 77965, 86420, 87522, 89900, 92380, 93558, 108025, 115475, 129630, 133951, 134850, 138570, 145870, 149894, 150900, 155930, 175044, 187116, 216050, 218805, 224841, 230950, 233895, 259260, 267902, 269700, 277140, 291740, 299788, 311860, 324075, 346425, 364675, 374735, 389825, 401853, 432100, 437610, 449682, 452197, 461900, 467790, 535804, 648150, 669755, 692850, 729350, 749470, 779650, 803706, 875220, 899364, 904394, 935580, 1094025, 1124205, 1169475, 1296300, 1339510, 1356591, 1385700, 1458700, 1498940, 1559300, 1607412, 1808788, 1873675, 2009265, 2173463, 2188050, 2248410, 2260985, 2323357, 2338950, 2679020, 2713182, 3348775, 3747350, 4018530, 4346926, 4376100, 4496820, 4521970, 4646714, 4677900, 5426364, 5621025, 6520389, 6697550, 6782955, 6970071, 7494700, 8037060, 8693852, 9043940, 9293428, 10046325, 10867315, 11242050, 11304925, 11616785, 13040778, 13395100, 13565910, 13940142, 20092650, 21734630, 22484100, 22609850, 23233570, 26081556, 27131820, 27880284, 32601945, 33914775, 34850355, 40185300, 43469260, 45219700, 46467140, 54336575, 58083925, 65203890, 67377353, 67829550, 69700710, 108673150, 116167850, 130407780, 134754706, 135659100, 139401420, 163009725, 174251775, 202132059, 217346300, 232335700, 269509412, 326019450, 336886765, 348503550, 404264118, 652038900, 673773530, 697007100, 808528236, 1010660295, 1347547060, 1684433825, 2021320590, 3368867650, 4042641180, 5053301475, 6737735300, 10106602950, 20213205900]

約数ペア:

[(1, 20213205900), (2, 10106602950), (3, 6737735300), (4, 5053301475), (5, 4042641180), (6, 3368867650), (10, 2021320590), (12, 1684433825), (15, 1347547060), (20, 1010660295), (25, 808528236), (29, 697007100), (30, 673773530), (31, 652038900), (50, 404264118), (58, 348503550), (60, 336886765), (62, 326019450), (75, 269509412), (87, 232335700), (93, 217346300), (100, 202132059), (116, 174251775), (124, 163009725), (145, 139401420), (149, 135659100), (150, 134754706), (155, 130407780), (174, 116167850), (186, 108673150), (290, 69700710), (298, 67829550), (300, 67377353), (310, 65203890), (348, 58083925), (372, 54336575), (435, 46467140), (447, 45219700), (465, 43469260), (503, 40185300), (580, 34850355), (596, 33914775), (620, 32601945), (725, 27880284), (745, 27131820), (775, 26081556), (870, 23233570), (894, 22609850), (899, 22484100), (930, 21734630), (1006, 20092650), (1450, 13940142), (1490, 13565910), (1509, 13395100), (1550, 13040778), (1740, 11616785), (1788, 11304925), (1798, 11242050), (1860, 10867315), (2012, 10046325), (2175, 9293428), (2235, 9043940), (2325, 8693852), (2515, 8037060), (2697, 7494700), (2900, 6970071), (2980, 6782955), (3018, 6697550), (3100, 6520389), (3596, 5621025), (3725, 5426364), (4321, 4677900), (4350, 4646714), (4470, 4521970), (4495, 4496820), (4619, 4376100), (4650, 4346926), (5030, 4018530), (5394, 3747350), (6036, 3348775), (7450, 2713182), (7545, 2679020), (8642, 2338950), (8700, 2323357), (8940, 2260985), (8990, 2248410), (9238, 2188050), (9300, 2173463), (10060, 2009265), (10788, 1873675), (11175, 1808788), (12575, 1607412), (12963, 1559300), (13485, 1498940), (13857, 1458700), (14587, 1385700), (14900, 1356591), (15090, 1339510), (15593, 1296300), (17284, 1169475), (17980, 1124205), (18476, 1094025), (21605, 935580), (22350, 904394), (22475, 899364), (23095, 875220), (25150, 803706), (25926, 779650), (26970, 749470), (27714, 729350), (29174, 692850), (30180, 669755), (31186, 648150), (37725, 535804), (43210, 467790), (43761, 461900), (44700, 452197), (44950, 449682), (46190, 437610), (46779, 432100), (50300, 401853), (51852, 389825), (53940, 374735), (55428, 364675), (58348, 346425), (62372, 324075), (64815, 311860), (67425, 299788), (69285, 291740), (72935, 277140), (74947, 269700), (75450, 267902), (77965, 259260), (86420, 233895), (87522, 230950), (89900, 224841), (92380, 218805), (93558, 216050), (108025, 187116), (115475, 175044), (129630, 155930), (133951, 150900), (134850, 149894), (138570, 145870)]