20501690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186379}}^1$

素因数の和:186397

約数の個数: 16

約数和(自身を含む): 40258080

約数和(自身を除く): 19756390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 186379, 372758, 931895, 1863790, 2050169, 4100338, 10250845, 20501690]

約数ペア:

[(1, 20501690), (2, 10250845), (5, 4100338), (10, 2050169), (11, 1863790), (22, 931895), (55, 372758), (110, 186379)]