20888928039

素因数分解:

$3^1\times 7^1\times {\mathrm{24907}}^1\times {\mathrm{39937}}^1$

素因数の和:64854

約数の個数: 16

約数和(自身を含む): 31832822528

約数和(自身を除く): 10943894489

約数列:

[1, 3, 7, 21, 24907, 39937, 74721, 119811, 174349, 279559, 523047, 838677, 994710859, 2984132577, 6962976013, 20888928039]

約数ペア:

[(1, 20888928039), (3, 6962976013), (7, 2984132577), (21, 994710859), (24907, 838677), (39937, 523047), (74721, 279559), (119811, 174349)]