20565854897

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{111791}}^1$

素因数の和:112480

約数の個数: 16

約数和(自身を含む): 24114875904

約数和(自身を除く): 3549021007

約数列:

[1, 7, 41, 287, 641, 4487, 26281, 111791, 183967, 782537, 4583431, 32084017, 71658031, 501606217, 2937979271, 20565854897]

約数ペア:

[(1, 20565854897), (7, 2937979271), (41, 501606217), (287, 71658031), (641, 32084017), (4487, 4583431), (26281, 782537), (111791, 183967)]