13204420

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{12457}}^1$

素因数の和:12519

約数の個数: 24

約数和(自身を含む): 28254744

約数和(自身を除く): 15050324

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 12457, 24914, 49828, 62285, 124570, 249140, 660221, 1320442, 2640884, 3301105, 6602210, 13204420]

約数ペア:

[(1, 13204420), (2, 6602210), (4, 3301105), (5, 2640884), (10, 1320442), (20, 660221), (53, 249140), (106, 124570), (212, 62285), (265, 49828), (530, 24914), (1060, 12457)]