20172908974

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1\times {\mathrm{236699}}^1$

素因数の和:237735

約数の個数: 16

約数和(自身を含む): 30994444800

約数和(自身を除く): 10821535826

約数列:

[1, 2, 43, 86, 991, 1982, 42613, 85226, 236699, 473398, 10178057, 20356114, 234568709, 469137418, 10086454487, 20172908974]

約数ペア:

[(1, 20172908974), (2, 10086454487), (43, 469137418), (86, 234568709), (991, 20356114), (1982, 10178057), (42613, 473398), (85226, 236699)]