20121003032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{9439}}^1$

素因数の和:9760

約数の個数: 64

約数和(自身を含む): 41233920000

約数和(自身を除く): 21112916968

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 199, 206, 398, 412, 796, 824, 1339, 1592, 2587, 2678, 5174, 5356, 9439, 10348, 10712, 18878, 20497, 20696, 37756, 40994, 75512, 81988, 122707, 163976, 245414, 266461, 490828, 532922, 972217, 981656, 1065844, 1878361, 1944434, 2131688, 3756722, 3888868, 7513444, 7777736, 12638821, 15026888, 24418693, 25277642, 48837386, 50555284, 97674772, 101110568, 193471183, 195349544, 386942366, 773884732, 1547769464, 2515125379, 5030250758, 10060501516, 20121003032]

約数ペア:

[(1, 20121003032), (2, 10060501516), (4, 5030250758), (8, 2515125379), (13, 1547769464), (26, 773884732), (52, 386942366), (103, 195349544), (104, 193471183), (199, 101110568), (206, 97674772), (398, 50555284), (412, 48837386), (796, 25277642), (824, 24418693), (1339, 15026888), (1592, 12638821), (2587, 7777736), (2678, 7513444), (5174, 3888868), (5356, 3756722), (9439, 2131688), (10348, 1944434), (10712, 1878361), (18878, 1065844), (20497, 981656), (20696, 972217), (37756, 532922), (40994, 490828), (75512, 266461), (81988, 245414), (122707, 163976)]