220178684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{31873}}^1$

素因数の和:32045

約数の個数: 24

約数和(自身を含む): 423031728

約数和(自身を除く): 202853044

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 6908, 31873, 63746, 127492, 350603, 701206, 1402412, 5004061, 10008122, 20016244, 55044671, 110089342, 220178684]

約数ペア:

[(1, 220178684), (2, 110089342), (4, 55044671), (11, 20016244), (22, 10008122), (44, 5004061), (157, 1402412), (314, 701206), (628, 350603), (1727, 127492), (3454, 63746), (6908, 31873)]