20164508740

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8922349}}^1$

素因数の和:8922471

約数の個数: 24

約数和(自身を含む): 42720211800

約数和(自身を除く): 22555703060

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8922349, 17844698, 35689396, 44611745, 89223490, 178446980, 1008225437, 2016450874, 4032901748, 5041127185, 10082254370, 20164508740]

約数ペア:

[(1, 20164508740), (2, 10082254370), (4, 5041127185), (5, 4032901748), (10, 2016450874), (20, 1008225437), (113, 178446980), (226, 89223490), (452, 44611745), (565, 35689396), (1130, 17844698), (2260, 8922349)]