20387373

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 28195776

約数和(自身を除く): 7808403

約数列:

[1, 3, 41, 83, 123, 249, 1997, 3403, 5991, 10209, 81877, 165751, 245631, 497253, 6795791, 20387373]

約数ペア:

[(1, 20387373), (3, 6795791), (41, 497253), (83, 245631), (123, 165751), (249, 81877), (1997, 10209), (3403, 5991)]