20170961488

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66351847}}^1$

素因数の和:66351874

約数の個数: 20

約数和(自身を含む): 41138145760

約数和(自身を除く): 20967184272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66351847, 132703694, 265407388, 530814776, 1061629552, 1260685093, 2521370186, 5042740372, 10085480744, 20170961488]

約数ペア:

[(1, 20170961488), (2, 10085480744), (4, 5042740372), (8, 2521370186), (16, 1260685093), (19, 1061629552), (38, 530814776), (76, 265407388), (152, 132703694), (304, 66351847)]