20113898

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9151}}^1$

素因数の和:9317

約数の個数: 16

約数和(自身を含む): 34704384

約数和(自身を除く): 14590486

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 9151, 18302, 64057, 128114, 1436707, 2873414, 10056949, 20113898]

約数ペア:

[(1, 20113898), (2, 10056949), (7, 2873414), (14, 1436707), (157, 128114), (314, 64057), (1099, 18302), (2198, 9151)]