20838544

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8741}}^1$

素因数の和:8898

約数の個数: 20

約数和(自身を含む): 40650300

約数和(自身を除く): 19811756

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8741, 17482, 34964, 69928, 139856, 1302409, 2604818, 5209636, 10419272, 20838544]

約数ペア:

[(1, 20838544), (2, 10419272), (4, 5209636), (8, 2604818), (16, 1302409), (149, 139856), (298, 69928), (596, 34964), (1192, 17482), (2384, 8741)]