20731710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2251}}^1$

素因数の和:2568

約数の個数: 32

約数和(自身を含む): 49940352

約数和(自身を除く): 29208642

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 307, 614, 921, 1535, 1842, 2251, 3070, 4502, 4605, 6753, 9210, 11255, 13506, 22510, 33765, 67530, 691057, 1382114, 2073171, 3455285, 4146342, 6910570, 10365855, 20731710]

約数ペア:

[(1, 20731710), (2, 10365855), (3, 6910570), (5, 4146342), (6, 3455285), (10, 2073171), (15, 1382114), (30, 691057), (307, 67530), (614, 33765), (921, 22510), (1535, 13506), (1842, 11255), (2251, 9210), (3070, 6753), (4502, 4605)]