20403291218

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1\times {\mathrm{318473}}^1$

素因数の和:318889

約数の個数: 16

約数和(自身を含む): 31001533056

約数和(自身を除く): 10598241838

約数列:

[1, 2, 103, 206, 311, 622, 32033, 64066, 318473, 636946, 32802719, 65605438, 99045103, 198090206, 10201645609, 20403291218]

約数ペア:

[(1, 20403291218), (2, 10201645609), (103, 198090206), (206, 99045103), (311, 65605438), (622, 32802719), (32033, 636946), (64066, 318473)]