20895730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1933}}^1$

素因数の和:2010

約数の個数: 32

約数和(自身を含む): 40103424

約数和(自身を除く): 19207694

約数列:

[1, 2, 5, 10, 23, 46, 47, 94, 115, 230, 235, 470, 1081, 1933, 2162, 3866, 5405, 9665, 10810, 19330, 44459, 88918, 90851, 181702, 222295, 444590, 454255, 908510, 2089573, 4179146, 10447865, 20895730]

約数ペア:

[(1, 20895730), (2, 10447865), (5, 4179146), (10, 2089573), (23, 908510), (46, 454255), (47, 444590), (94, 222295), (115, 181702), (230, 90851), (235, 88918), (470, 44459), (1081, 19330), (1933, 10810), (2162, 9665), (3866, 5405)]