201950020

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{19381}}^1$

素因数の和:19911

約数の個数: 24

約数和(自身を含む): 424930968

約数和(自身を除く): 222980948

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 10420, 19381, 38762, 77524, 96905, 193810, 387620, 10097501, 20195002, 40390004, 50487505, 100975010, 201950020]

約数ペア:

[(1, 201950020), (2, 100975010), (4, 50487505), (5, 40390004), (10, 20195002), (20, 10097501), (521, 387620), (1042, 193810), (2084, 96905), (2605, 77524), (5210, 38762), (10420, 19381)]