20298416

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:333

約数の個数: 40

約数和(自身を含む): 40428960

約数和(自身を除く): 20130544

約数列:

[1, 2, 4, 8, 16, 103, 109, 113, 206, 218, 226, 412, 436, 452, 824, 872, 904, 1648, 1744, 1808, 11227, 11639, 12317, 22454, 23278, 24634, 44908, 46556, 49268, 89816, 93112, 98536, 179632, 186224, 197072, 1268651, 2537302, 5074604, 10149208, 20298416]

約数ペア:

[(1, 20298416), (2, 10149208), (4, 5074604), (8, 2537302), (16, 1268651), (103, 197072), (109, 186224), (113, 179632), (206, 98536), (218, 93112), (226, 89816), (412, 49268), (436, 46556), (452, 44908), (824, 24634), (872, 23278), (904, 22454), (1648, 12317), (1744, 11639), (1808, 11227)]