20147352855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2628487}}^1$

素因数の和:2628575

約数の個数: 32

約数和(自身を含む): 37345557504

約数和(自身を除く): 17198204649

約数列:

[1, 3, 5, 7, 15, 21, 35, 73, 105, 219, 365, 511, 1095, 1533, 2555, 7665, 2628487, 7885461, 13142435, 18399409, 39427305, 55198227, 91997045, 191879551, 275991135, 575638653, 959397755, 1343156857, 2878193265, 4029470571, 6715784285, 20147352855]

約数ペア:

[(1, 20147352855), (3, 6715784285), (5, 4029470571), (7, 2878193265), (15, 1343156857), (21, 959397755), (35, 575638653), (73, 275991135), (105, 191879551), (219, 91997045), (365, 55198227), (511, 39427305), (1095, 18399409), (1533, 13142435), (2555, 7885461), (7665, 2628487)]