20019637

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1493}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 23234688

約数和(自身を除く): 3215051

約数列:

[1, 11, 23, 53, 253, 583, 1219, 1493, 13409, 16423, 34339, 79129, 377729, 870419, 1819967, 20019637]

約数ペア:

[(1, 20019637), (11, 1819967), (23, 870419), (53, 377729), (253, 79129), (583, 34339), (1219, 16423), (1493, 13409)]