20658528572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{2143}}^1\times {\mathrm{219091}}^1$

素因数の和:221249

約数の個数: 24

約数和(自身を含む): 39457592832

約数和(自身を除く): 18799064260

約数列:

[1, 2, 4, 11, 22, 44, 2143, 4286, 8572, 23573, 47146, 94292, 219091, 438182, 876364, 2410001, 4820002, 9640004, 469512013, 939024026, 1878048052, 5164632143, 10329264286, 20658528572]

約数ペア:

[(1, 20658528572), (2, 10329264286), (4, 5164632143), (11, 1878048052), (22, 939024026), (44, 469512013), (2143, 9640004), (4286, 4820002), (8572, 2410001), (23573, 876364), (47146, 438182), (94292, 219091)]