20121294010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{119677}}^1$

素因数の和:119767

約数の個数: 64

約数和(自身を含む): 40947109632

約数和(自身を除く): 20825815622

約数列:

[1, 2, 5, 10, 17, 23, 34, 43, 46, 85, 86, 115, 170, 215, 230, 391, 430, 731, 782, 989, 1462, 1955, 1978, 3655, 3910, 4945, 7310, 9890, 16813, 33626, 84065, 119677, 168130, 239354, 598385, 1196770, 2034509, 2752571, 4069018, 5146111, 5505142, 10172545, 10292222, 13762855, 20345090, 25730555, 27525710, 46793707, 51461110, 87483887, 93587414, 118360553, 174967774, 233968535, 236721106, 437419435, 467937070, 591802765, 874838870, 1183605530, 2012129401, 4024258802, 10060647005, 20121294010]

約数ペア:

[(1, 20121294010), (2, 10060647005), (5, 4024258802), (10, 2012129401), (17, 1183605530), (23, 874838870), (34, 591802765), (43, 467937070), (46, 437419435), (85, 236721106), (86, 233968535), (115, 174967774), (170, 118360553), (215, 93587414), (230, 87483887), (391, 51461110), (430, 46793707), (731, 27525710), (782, 25730555), (989, 20345090), (1462, 13762855), (1955, 10292222), (1978, 10172545), (3655, 5505142), (3910, 5146111), (4945, 4069018), (7310, 2752571), (9890, 2034509), (16813, 1196770), (33626, 598385), (84065, 239354), (119677, 168130)]