20738512

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{9461}}^1$

素因数の和:9606

約数の個数: 20

約数和(自身を含む): 40478436

約数和(自身を除く): 19739924

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 9461, 18922, 37844, 75688, 151376, 1296157, 2592314, 5184628, 10369256, 20738512]

約数ペア:

[(1, 20738512), (2, 10369256), (4, 5184628), (8, 2592314), (16, 1296157), (137, 151376), (274, 75688), (548, 37844), (1096, 18922), (2192, 9461)]