20121207472

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23727839}}^1$

素因数の和:23727900

約数の個数: 20

約数和(自身を含む): 39720404160

約数和(自身を除く): 19599196688

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23727839, 47455678, 94911356, 189822712, 379645424, 1257575467, 2515150934, 5030301868, 10060603736, 20121207472]

約数ペア:

[(1, 20121207472), (2, 10060603736), (4, 5030301868), (8, 2515150934), (16, 1257575467), (53, 379645424), (106, 189822712), (212, 94911356), (424, 47455678), (848, 23727839)]