20908616

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 40116600

約数和(自身を除く): 19207984

約数列:

[1, 2, 4, 8, 101, 113, 202, 226, 229, 404, 452, 458, 808, 904, 916, 1832, 11413, 22826, 23129, 25877, 45652, 46258, 51754, 91304, 92516, 103508, 185032, 207016, 2613577, 5227154, 10454308, 20908616]

約数ペア:

[(1, 20908616), (2, 10454308), (4, 5227154), (8, 2613577), (101, 207016), (113, 185032), (202, 103508), (226, 92516), (229, 91304), (404, 51754), (452, 46258), (458, 45652), (808, 25877), (904, 23129), (916, 22826), (1832, 11413)]