20462650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31481}}^1$

素因数の和:31506

約数の個数: 24

約数和(自身を含む): 40989564

約数和(自身を除く): 20526914

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31481, 62962, 157405, 314810, 409253, 787025, 818506, 1574050, 2046265, 4092530, 10231325, 20462650]

約数ペア:

[(1, 20462650), (2, 10231325), (5, 4092530), (10, 2046265), (13, 1574050), (25, 818506), (26, 787025), (50, 409253), (65, 314810), (130, 157405), (325, 62962), (650, 31481)]