20651484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{245851}}^1$

素因数の和:245865

約数の個数: 24

約数和(自身を含む): 55070848

約数和(自身を除く): 34419364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 245851, 491702, 737553, 983404, 1475106, 1720957, 2950212, 3441914, 5162871, 6883828, 10325742, 20651484]

約数ペア:

[(1, 20651484), (2, 10325742), (3, 6883828), (4, 5162871), (6, 3441914), (7, 2950212), (12, 1720957), (14, 1475106), (21, 983404), (28, 737553), (42, 491702), (84, 245851)]