66921940

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{3067}}^1$

素因数の和:4167

約数の個数: 24

約数和(自身を含む): 140710752

約数和(自身を除く): 73788812

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 3067, 4364, 5455, 6134, 10910, 12268, 15335, 21820, 30670, 61340, 3346097, 6692194, 13384388, 16730485, 33460970, 66921940]

約数ペア:

[(1, 66921940), (2, 33460970), (4, 16730485), (5, 13384388), (10, 6692194), (20, 3346097), (1091, 61340), (2182, 30670), (3067, 21820), (4364, 15335), (5455, 12268), (6134, 10910)]