20554680958

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2713}}^1\times {\mathrm{18661}}^1$

素因数の和:21412

約数の個数: 32

約数和(自身を含む): 36467040960

約数和(自身を除く): 15912360002

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 2713, 5426, 18661, 18991, 37322, 37982, 78677, 130627, 157354, 261254, 541169, 550739, 1082338, 1101478, 3788183, 7576366, 50627293, 101254586, 354391051, 708782102, 1468191497, 2936382994, 10277340479, 20554680958]

約数ペア:

[(1, 20554680958), (2, 10277340479), (7, 2936382994), (14, 1468191497), (29, 708782102), (58, 354391051), (203, 101254586), (406, 50627293), (2713, 7576366), (5426, 3788183), (18661, 1101478), (18991, 1082338), (37322, 550739), (37982, 541169), (78677, 261254), (130627, 157354)]