20385631

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2539}}^1$

素因数の和:2614

約数の個数: 16

約数和(自身を含む): 24709120

約数和(自身を除く): 4323489

約数列:

[1, 7, 31, 37, 217, 259, 1147, 2539, 8029, 17773, 78709, 93943, 550963, 657601, 2912233, 20385631]

約数ペア:

[(1, 20385631), (7, 2912233), (31, 657601), (37, 550963), (217, 93943), (259, 78709), (1147, 17773), (2539, 8029)]