20281246

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{1087}}^1$

素因数の和:1599

約数の個数: 16

約数和(自身を含む): 32117760

約数和(自身を除く): 11836514

約数列:

[1, 2, 19, 38, 491, 982, 1087, 2174, 9329, 18658, 20653, 41306, 533717, 1067434, 10140623, 20281246]

約数ペア:

[(1, 20281246), (2, 10140623), (19, 1067434), (38, 533717), (491, 41306), (982, 20653), (1087, 18658), (2174, 9329)]