20125945160

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1870441}}^1$

素因数の和:1870721

約数の個数: 32

約数和(自身を含む): 45451740600

約数和(自身を除く): 25325795440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 10760, 1870441, 3740882, 7481764, 9352205, 14963528, 18704410, 37408820, 74817640, 503148629, 1006297258, 2012594516, 2515743145, 4025189032, 5031486290, 10062972580, 20125945160]

約数ペア:

[(1, 20125945160), (2, 10062972580), (4, 5031486290), (5, 4025189032), (8, 2515743145), (10, 2012594516), (20, 1006297258), (40, 503148629), (269, 74817640), (538, 37408820), (1076, 18704410), (1345, 14963528), (2152, 9352205), (2690, 7481764), (5380, 3740882), (10760, 1870441)]