20337740

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8999}}^1$

素因数の和:9121

約数の個数: 24

約数和(自身を含む): 43092000

約数和(自身を除く): 22754260

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8999, 17998, 35996, 44995, 89990, 179980, 1016887, 2033774, 4067548, 5084435, 10168870, 20337740]

約数ペア:

[(1, 20337740), (2, 10168870), (4, 5084435), (5, 4067548), (10, 2033774), (20, 1016887), (113, 179980), (226, 89990), (452, 44995), (565, 35996), (1130, 17998), (2260, 8999)]