20806449530

素因数分解:

$2^1\times 5^1\times {\mathrm{18911}}^1\times {\mathrm{110023}}^1$

素因数の和:128941

約数の個数: 16

約数和(自身を含む): 37453929984

約数和(自身を除く): 16647480454

約数列:

[1, 2, 5, 10, 18911, 37822, 94555, 110023, 189110, 220046, 550115, 1100230, 2080644953, 4161289906, 10403224765, 20806449530]

約数ペア:

[(1, 20806449530), (2, 10403224765), (5, 4161289906), (10, 2080644953), (18911, 1100230), (37822, 550115), (94555, 220046), (110023, 189110)]