20888930870

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{48578909}}^1$

素因数の和:48578959

約数の個数: 16

約数和(自身を含む): 38474496720

約数和(自身を除く): 17585565850

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 48578909, 97157818, 242894545, 485789090, 2088893087, 4177786174, 10444465435, 20888930870]

約数ペア:

[(1, 20888930870), (2, 10444465435), (5, 4177786174), (10, 2088893087), (43, 485789090), (86, 242894545), (215, 97157818), (430, 48578909)]