20211892560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:1034

約数の個数: 240

約数和(自身を含む): 68612626368

約数和(自身を除く): 48400733808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 211, 233, 240, 360, 422, 466, 571, 633, 699, 720, 844, 932, 1055, 1142, 1165, 1266, 1398, 1688, 1713, 1864, 1899, 2097, 2110, 2284, 2330, 2532, 2796, 2855, 3165, 3376, 3426, 3495, 3728, 3798, 4194, 4220, 4568, 4660, 5064, 5139, 5592, 5710, 6330, 6852, 6990, 7596, 8388, 8440, 8565, 9136, 9320, 9495, 10128, 10278, 10485, 11184, 11420, 12660, 13704, 13980, 15192, 16776, 16880, 17130, 18640, 18990, 20556, 20970, 22840, 25320, 25695, 27408, 27960, 30384, 33552, 34260, 37980, 41112, 41940, 45680, 49163, 50640, 51390, 55920, 68520, 75960, 82224, 83880, 98326, 102780, 120481, 133043, 137040, 147489, 151920, 167760, 196652, 205560, 240962, 245815, 266086, 294978, 361443, 393304, 399129, 411120, 442467, 481924, 491630, 532172, 589956, 602405, 665215, 722886, 737445, 786608, 798258, 884934, 963848, 983260, 1064344, 1084329, 1179912, 1197387, 1204810, 1330430, 1445772, 1474890, 1596516, 1769868, 1807215, 1927696, 1966520, 1995645, 2128688, 2168658, 2212335, 2359824, 2394774, 2409620, 2660860, 2891544, 2949780, 3193032, 3539736, 3614430, 3933040, 3991290, 4337316, 4424670, 4789548, 4819240, 5321720, 5421645, 5783088, 5899560, 5986935, 6386064, 7079472, 7228860, 7982580, 8674632, 8849340, 9579096, 9638480, 10643440, 10843290, 11799120, 11973870, 14457720, 15965160, 17349264, 17698680, 19158192, 21686580, 23947740, 28072073, 28915440, 31930320, 35397360, 43373160, 47895480, 56144146, 84216219, 86746320, 95790960, 112288292, 140360365, 168432438, 224576584, 252648657, 280720730, 336864876, 421081095, 449153168, 505297314, 561441460, 673729752, 842162190, 1010594628, 1122882920, 1263243285, 1347459504, 1684324380, 2021189256, 2245765840, 2526486570, 3368648760, 4042378512, 5052973140, 6737297520, 10105946280, 20211892560]

約数ペア:

[(1, 20211892560), (2, 10105946280), (3, 6737297520), (4, 5052973140), (5, 4042378512), (6, 3368648760), (8, 2526486570), (9, 2245765840), (10, 2021189256), (12, 1684324380), (15, 1347459504), (16, 1263243285), (18, 1122882920), (20, 1010594628), (24, 842162190), (30, 673729752), (36, 561441460), (40, 505297314), (45, 449153168), (48, 421081095), (60, 336864876), (72, 280720730), (80, 252648657), (90, 224576584), (120, 168432438), (144, 140360365), (180, 112288292), (211, 95790960), (233, 86746320), (240, 84216219), (360, 56144146), (422, 47895480), (466, 43373160), (571, 35397360), (633, 31930320), (699, 28915440), (720, 28072073), (844, 23947740), (932, 21686580), (1055, 19158192), (1142, 17698680), (1165, 17349264), (1266, 15965160), (1398, 14457720), (1688, 11973870), (1713, 11799120), (1864, 10843290), (1899, 10643440), (2097, 9638480), (2110, 9579096), (2284, 8849340), (2330, 8674632), (2532, 7982580), (2796, 7228860), (2855, 7079472), (3165, 6386064), (3376, 5986935), (3426, 5899560), (3495, 5783088), (3728, 5421645), (3798, 5321720), (4194, 4819240), (4220, 4789548), (4568, 4424670), (4660, 4337316), (5064, 3991290), (5139, 3933040), (5592, 3614430), (5710, 3539736), (6330, 3193032), (6852, 2949780), (6990, 2891544), (7596, 2660860), (8388, 2409620), (8440, 2394774), (8565, 2359824), (9136, 2212335), (9320, 2168658), (9495, 2128688), (10128, 1995645), (10278, 1966520), (10485, 1927696), (11184, 1807215), (11420, 1769868), (12660, 1596516), (13704, 1474890), (13980, 1445772), (15192, 1330430), (16776, 1204810), (16880, 1197387), (17130, 1179912), (18640, 1084329), (18990, 1064344), (20556, 983260), (20970, 963848), (22840, 884934), (25320, 798258), (25695, 786608), (27408, 737445), (27960, 722886), (30384, 665215), (33552, 602405), (34260, 589956), (37980, 532172), (41112, 491630), (41940, 481924), (45680, 442467), (49163, 411120), (50640, 399129), (51390, 393304), (55920, 361443), (68520, 294978), (75960, 266086), (82224, 245815), (83880, 240962), (98326, 205560), (102780, 196652), (120481, 167760), (133043, 151920), (137040, 147489)]