20409326

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 36799488

約数和(自身を除く): 16390162

約数列:

[1, 2, 7, 14, 23, 46, 161, 241, 263, 322, 482, 526, 1687, 1841, 3374, 3682, 5543, 6049, 11086, 12098, 38801, 42343, 63383, 77602, 84686, 126766, 443681, 887362, 1457809, 2915618, 10204663, 20409326]

約数ペア:

[(1, 20409326), (2, 10204663), (7, 2915618), (14, 1457809), (23, 887362), (46, 443681), (161, 126766), (241, 84686), (263, 77602), (322, 63383), (482, 42343), (526, 38801), (1687, 12098), (1841, 11086), (3374, 6049), (3682, 5543)]