20457420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{340957}}^1$

素因数の和:340969

約数の個数: 24

約数和(自身を含む): 57280944

約数和(自身を除く): 36823524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 340957, 681914, 1022871, 1363828, 1704785, 2045742, 3409570, 4091484, 5114355, 6819140, 10228710, 20457420]

約数ペア:

[(1, 20457420), (2, 10228710), (3, 6819140), (4, 5114355), (5, 4091484), (6, 3409570), (10, 2045742), (12, 1704785), (15, 1363828), (20, 1022871), (30, 681914), (60, 340957)]