20003880965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{333871}}^1$

素因数の和:334420

約数の個数: 16

約数和(自身を含む): 25096490496

約数和(自身を除く): 5092609531

約数列:

[1, 5, 23, 115, 521, 2605, 11983, 59915, 333871, 1669355, 7679033, 38395165, 173946791, 869733955, 4000776193, 20003880965]

約数ペア:

[(1, 20003880965), (5, 4000776193), (23, 869733955), (115, 173946791), (521, 38395165), (2605, 7679033), (11983, 1669355), (59915, 333871)]