20212890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{3491}}^1$

素因数の和:3694

約数の個数: 32

約数和(自身を含む): 48776256

約数和(自身を除く): 28563366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 193, 386, 579, 965, 1158, 1930, 2895, 3491, 5790, 6982, 10473, 17455, 20946, 34910, 52365, 104730, 673763, 1347526, 2021289, 3368815, 4042578, 6737630, 10106445, 20212890]

約数ペア:

[(1, 20212890), (2, 10106445), (3, 6737630), (5, 4042578), (6, 3368815), (10, 2021289), (15, 1347526), (30, 673763), (193, 104730), (386, 52365), (579, 34910), (965, 20946), (1158, 17455), (1930, 10473), (2895, 6982), (3491, 5790)]