20805122024

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{2113}}^1\times {\mathrm{13829}}^1$

素因数の和:16037

約数の個数: 32

約数和(自身を含む): 39469437000

約数和(自身を除く): 18664314976

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 2113, 4226, 8452, 13829, 16904, 27658, 55316, 110632, 188057, 376114, 752228, 1230781, 1504456, 2461562, 4923124, 9846248, 29220677, 58441354, 116882708, 233765416, 2600640253, 5201280506, 10402561012, 20805122024]

約数ペア:

[(1, 20805122024), (2, 10402561012), (4, 5201280506), (8, 2600640253), (89, 233765416), (178, 116882708), (356, 58441354), (712, 29220677), (2113, 9846248), (4226, 4923124), (8452, 2461562), (13829, 1504456), (16904, 1230781), (27658, 752228), (55316, 376114), (110632, 188057)]