20697786

素因数分解:

$2^1\times 3^2\times {\mathrm{359}}^1\times {\mathrm{3203}}^1$

素因数の和:3570

約数の個数: 24

約数和(自身を含む): 44984160

約数和(自身を除く): 24286374

約数列:

[1, 2, 3, 6, 9, 18, 359, 718, 1077, 2154, 3203, 3231, 6406, 6462, 9609, 19218, 28827, 57654, 1149877, 2299754, 3449631, 6899262, 10348893, 20697786]

約数ペア:

[(1, 20697786), (2, 10348893), (3, 6899262), (6, 3449631), (9, 2299754), (18, 1149877), (359, 57654), (718, 28827), (1077, 19218), (2154, 9609), (3203, 6462), (3231, 6406)]