20854370

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44371}}^1$

素因数の和:44425

約数の個数: 16

約数和(自身を含む): 38337408

約数和(自身を除く): 17483038

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44371, 88742, 221855, 443710, 2085437, 4170874, 10427185, 20854370]

約数ペア:

[(1, 20854370), (2, 10427185), (5, 4170874), (10, 2085437), (47, 443710), (94, 221855), (235, 88742), (470, 44371)]