204387460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{249253}}^1$

素因数の和:249303

約数の個数: 24

約数和(自身を含む): 439684056

約数和(自身を除く): 235296596

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 249253, 498506, 997012, 1246265, 2492530, 4985060, 10219373, 20438746, 40877492, 51096865, 102193730, 204387460]

約数ペア:

[(1, 204387460), (2, 102193730), (4, 51096865), (5, 40877492), (10, 20438746), (20, 10219373), (41, 4985060), (82, 2492530), (164, 1246265), (205, 997012), (410, 498506), (820, 249253)]