20263160

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{4483}}^1$

素因数の和:4607

約数の個数: 32

約数和(自身を含む): 46005840

約数和(自身を除く): 25742680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4483, 4520, 8966, 17932, 22415, 35864, 44830, 89660, 179320, 506579, 1013158, 2026316, 2532895, 4052632, 5065790, 10131580, 20263160]

約数ペア:

[(1, 20263160), (2, 10131580), (4, 5065790), (5, 4052632), (8, 2532895), (10, 2026316), (20, 1013158), (40, 506579), (113, 179320), (226, 89660), (452, 44830), (565, 35864), (904, 22415), (1130, 17932), (2260, 8966), (4483, 4520)]