20030991

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5009}}^1$

素因数の和:5086

約数の個数: 16

約数和(自身を含む): 28216320

約数和(自身を除く): 8185329

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 5009, 15027, 155279, 215387, 465837, 646161, 6676997, 20030991]

約数ペア:

[(1, 20030991), (3, 6676997), (31, 646161), (43, 465837), (93, 215387), (129, 155279), (1333, 15027), (3999, 5009)]