20921863207

素因数分解:

$7^1\times {\mathrm{163}}^1\times {\mathrm{3853}}^1\times {\mathrm{4759}}^1$

素因数の和:8782

約数の個数: 16

約数和(自身を含む): 24068692480

約数和(自身を除く): 3146829273

約数列:

[1, 7, 163, 1141, 3853, 4759, 26971, 33313, 628039, 775717, 4396273, 5430019, 18336427, 128354989, 2988837601, 20921863207]

約数ペア:

[(1, 20921863207), (7, 2988837601), (163, 128354989), (1141, 18336427), (3853, 5430019), (4759, 4396273), (26971, 775717), (33313, 628039)]