20467826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1097}}^1$

素因数の和:1609

約数の個数: 16

約数和(自身を含む): 32412960

約数和(自身を除く): 11945134

約数列:

[1, 2, 19, 38, 491, 982, 1097, 2194, 9329, 18658, 20843, 41686, 538627, 1077254, 10233913, 20467826]

約数ペア:

[(1, 20467826), (2, 10233913), (19, 1077254), (38, 538627), (491, 41686), (982, 20843), (1097, 18658), (2194, 9329)]