20408774

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1292

約数の個数: 24

約数和(自身を含む): 33741360

約数和(自身を除く): 13332586

約数列:

[1, 2, 19, 23, 38, 46, 361, 437, 722, 874, 1229, 2458, 8303, 16606, 23351, 28267, 46702, 56534, 443669, 537073, 887338, 1074146, 10204387, 20408774]

約数ペア:

[(1, 20408774), (2, 10204387), (19, 1074146), (23, 887338), (38, 537073), (46, 443669), (361, 56534), (437, 46702), (722, 28267), (874, 23351), (1229, 16606), (2458, 8303)]