20121406081

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2108941}}^1$

素因数の和:2109024

約数の個数: 16

約数和(自身を含む): 24295011840

約数和(自身を除く): 4173605759

約数列:

[1, 7, 29, 47, 203, 329, 1363, 9541, 2108941, 14762587, 61159289, 99120227, 428115023, 693841589, 2874486583, 20121406081]

約数ペア:

[(1, 20121406081), (7, 2874486583), (29, 693841589), (47, 428115023), (203, 99120227), (329, 61159289), (1363, 14762587), (9541, 2108941)]