20996957530

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{39616901}}^1$

素因数の和:39616961

約数の個数: 16

約数和(自身を含む): 38507628744

約数和(自身を除く): 17510671214

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 39616901, 79233802, 198084505, 396169010, 2099695753, 4199391506, 10498478765, 20996957530]

約数ペア:

[(1, 20996957530), (2, 10498478765), (5, 4199391506), (10, 2099695753), (53, 396169010), (106, 198084505), (265, 79233802), (530, 39616901)]