20399686320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1\times {\mathrm{4783}}^1$

素因数の和:6179

約数の個数: 160

約数和(自身を含む): 68167636992

約数和(自身を除く): 47767950672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1367, 1560, 2734, 3120, 4101, 4783, 5468, 6835, 8202, 9566, 10936, 13670, 14349, 16404, 17771, 19132, 20505, 21872, 23915, 27340, 28698, 32808, 35542, 38264, 41010, 47830, 53313, 54680, 57396, 62179, 65616, 71084, 71745, 76528, 82020, 88855, 95660, 106626, 109360, 114792, 124358, 142168, 143490, 164040, 177710, 186537, 191320, 213252, 229584, 248716, 266565, 284336, 286980, 310895, 328080, 355420, 373074, 382640, 426504, 497432, 533130, 573960, 621790, 710840, 746148, 853008, 932685, 994864, 1066260, 1147920, 1243580, 1421680, 1492296, 1865370, 2132520, 2487160, 2984592, 3730740, 4265040, 4974320, 6538361, 7461480, 13076722, 14922960, 19615083, 26153444, 32691805, 39230166, 52306888, 65383610, 78460332, 84998693, 98075415, 104613776, 130767220, 156920664, 169997386, 196150830, 254996079, 261534440, 313841328, 339994772, 392301660, 424993465, 509992158, 523068880, 679989544, 784603320, 849986930, 1019984316, 1274980395, 1359979088, 1569206640, 1699973860, 2039968632, 2549960790, 3399947720, 4079937264, 5099921580, 6799895440, 10199843160, 20399686320]

約数ペア:

[(1, 20399686320), (2, 10199843160), (3, 6799895440), (4, 5099921580), (5, 4079937264), (6, 3399947720), (8, 2549960790), (10, 2039968632), (12, 1699973860), (13, 1569206640), (15, 1359979088), (16, 1274980395), (20, 1019984316), (24, 849986930), (26, 784603320), (30, 679989544), (39, 523068880), (40, 509992158), (48, 424993465), (52, 392301660), (60, 339994772), (65, 313841328), (78, 261534440), (80, 254996079), (104, 196150830), (120, 169997386), (130, 156920664), (156, 130767220), (195, 104613776), (208, 98075415), (240, 84998693), (260, 78460332), (312, 65383610), (390, 52306888), (520, 39230166), (624, 32691805), (780, 26153444), (1040, 19615083), (1367, 14922960), (1560, 13076722), (2734, 7461480), (3120, 6538361), (4101, 4974320), (4783, 4265040), (5468, 3730740), (6835, 2984592), (8202, 2487160), (9566, 2132520), (10936, 1865370), (13670, 1492296), (14349, 1421680), (16404, 1243580), (17771, 1147920), (19132, 1066260), (20505, 994864), (21872, 932685), (23915, 853008), (27340, 746148), (28698, 710840), (32808, 621790), (35542, 573960), (38264, 533130), (41010, 497432), (47830, 426504), (53313, 382640), (54680, 373074), (57396, 355420), (62179, 328080), (65616, 310895), (71084, 286980), (71745, 284336), (76528, 266565), (82020, 248716), (88855, 229584), (95660, 213252), (106626, 191320), (109360, 186537), (114792, 177710), (124358, 164040), (142168, 143490)]