20629905

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{37171}}^1$

素因数の和:37216

約数の個数: 16

約数和(自身を含む): 33900864

約数和(自身を除く): 13270959

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 37171, 111513, 185855, 557565, 1375327, 4125981, 6876635, 20629905]

約数ペア:

[(1, 20629905), (3, 6876635), (5, 4125981), (15, 1375327), (37, 557565), (111, 185855), (185, 111513), (555, 37171)]