20442830

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 37756800

約数和(自身を除く): 17313970

約数列:

[1, 2, 5, 10, 79, 113, 158, 226, 229, 395, 458, 565, 790, 1130, 1145, 2290, 8927, 17854, 18091, 25877, 36182, 44635, 51754, 89270, 90455, 129385, 180910, 258770, 2044283, 4088566, 10221415, 20442830]

約数ペア:

[(1, 20442830), (2, 10221415), (5, 4088566), (10, 2044283), (79, 258770), (113, 180910), (158, 129385), (226, 90455), (229, 89270), (395, 51754), (458, 44635), (565, 36182), (790, 25877), (1130, 18091), (1145, 17854), (2290, 8927)]