20121012740

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2143}}^1\times {\mathrm{3109}}^1$

素因数の和:5412

約数の個数: 48

約数和(自身を含む): 42567490560

約数和(自身を除く): 22446477820

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 2143, 3020, 3109, 4286, 6218, 8572, 10715, 12436, 15545, 21430, 31090, 42860, 62180, 323593, 469459, 647186, 938918, 1294372, 1617965, 1877836, 2347295, 3235930, 4694590, 6471860, 6662587, 9389180, 13325174, 26650348, 33312935, 66625870, 133251740, 1006050637, 2012101274, 4024202548, 5030253185, 10060506370, 20121012740]

約数ペア:

[(1, 20121012740), (2, 10060506370), (4, 5030253185), (5, 4024202548), (10, 2012101274), (20, 1006050637), (151, 133251740), (302, 66625870), (604, 33312935), (755, 26650348), (1510, 13325174), (2143, 9389180), (3020, 6662587), (3109, 6471860), (4286, 4694590), (6218, 3235930), (8572, 2347295), (10715, 1877836), (12436, 1617965), (15545, 1294372), (21430, 938918), (31090, 647186), (42860, 469459), (62180, 323593)]