20178664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7907}}^1$

素因数の和:7953

約数の個数: 32

約数和(自身を含む): 42703200

約数和(自身を除く): 22524536

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 7907, 15814, 31628, 63256, 86977, 173954, 229303, 347908, 458606, 695816, 917212, 1834424, 2522333, 5044666, 10089332, 20178664]

約数ペア:

[(1, 20178664), (2, 10089332), (4, 5044666), (8, 2522333), (11, 1834424), (22, 917212), (29, 695816), (44, 458606), (58, 347908), (88, 229303), (116, 173954), (232, 86977), (319, 63256), (638, 31628), (1276, 15814), (2552, 7907)]