20310797

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 22848000

約数和(自身を除く): 2537203

約数列:

[1, 13, 31, 101, 403, 499, 1313, 3131, 6487, 15469, 40703, 50399, 201097, 655187, 1562369, 20310797]

約数ペア:

[(1, 20310797), (13, 1562369), (31, 655187), (101, 201097), (403, 50399), (499, 40703), (1313, 15469), (3131, 6487)]