20492120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{46573}}^1$

素因数の和:46595

約数の個数: 32

約数和(自身を含む): 50299920

約数和(自身を除く): 29807800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 46573, 93146, 186292, 232865, 372584, 465730, 512303, 931460, 1024606, 1862920, 2049212, 2561515, 4098424, 5123030, 10246060, 20492120]

約数ペア:

[(1, 20492120), (2, 10246060), (4, 5123030), (5, 4098424), (8, 2561515), (10, 2049212), (11, 1862920), (20, 1024606), (22, 931460), (40, 512303), (44, 465730), (55, 372584), (88, 232865), (110, 186292), (220, 93146), (440, 46573)]