20085555

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8317}}^1$

素因数の和:8355

約数の個数: 32

約数和(自身を含む): 38329344

約数和(自身を除く): 18243789

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8317, 24951, 41585, 58219, 124755, 174657, 191291, 291095, 573873, 873285, 956455, 1339037, 2869365, 4017111, 6695185, 20085555]

約数ペア:

[(1, 20085555), (3, 6695185), (5, 4017111), (7, 2869365), (15, 1339037), (21, 956455), (23, 873285), (35, 573873), (69, 291095), (105, 191291), (115, 174657), (161, 124755), (345, 58219), (483, 41585), (805, 24951), (2415, 8317)]