20585490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1409}}^1$

素因数の和:1906

約数の個数: 32

約数和(自身を含む): 49541760

約数和(自身を除く): 28956270

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 487, 974, 1409, 1461, 2435, 2818, 2922, 4227, 4870, 7045, 7305, 8454, 14090, 14610, 21135, 42270, 686183, 1372366, 2058549, 3430915, 4117098, 6861830, 10292745, 20585490]

約数ペア:

[(1, 20585490), (2, 10292745), (3, 6861830), (5, 4117098), (6, 3430915), (10, 2058549), (15, 1372366), (30, 686183), (487, 42270), (974, 21135), (1409, 14610), (1461, 14090), (2435, 8454), (2818, 7305), (2922, 7045), (4227, 4870)]