20512610

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 37884672

約数和(自身を除く): 17372062

約数列:

[1, 2, 5, 10, 71, 142, 167, 173, 334, 346, 355, 710, 835, 865, 1670, 1730, 11857, 12283, 23714, 24566, 28891, 57782, 59285, 61415, 118570, 122830, 144455, 288910, 2051261, 4102522, 10256305, 20512610]

約数ペア:

[(1, 20512610), (2, 10256305), (5, 4102522), (10, 2051261), (71, 288910), (142, 144455), (167, 122830), (173, 118570), (334, 61415), (346, 59285), (355, 57782), (710, 28891), (835, 24566), (865, 23714), (1670, 12283), (1730, 11857)]