20490118

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{17573}}^1$

素因数の和:17639

約数の個数: 16

約数和(自身を含む): 34163856

約数和(自身を除く): 13673738

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 17573, 35146, 193303, 386606, 931369, 1862738, 10245059, 20490118]

約数ペア:

[(1, 20490118), (2, 10245059), (11, 1862738), (22, 931369), (53, 386606), (106, 193303), (583, 35146), (1166, 17573)]