20118290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49069}}^1$

素因数の和:49117

約数の個数: 16

約数和(自身を含む): 37096920

約数和(自身を除く): 16978630

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 49069, 98138, 245345, 490690, 2011829, 4023658, 10059145, 20118290]

約数ペア:

[(1, 20118290), (2, 10059145), (5, 4023658), (10, 2011829), (41, 490690), (82, 245345), (205, 98138), (410, 49069)]