20500002

素因数分解:

$2^1\times 3^2\times {\mathrm{769}}^1\times {\mathrm{1481}}^1$

素因数の和:2258

約数の個数: 24

約数和(自身を含む): 44504460

約数和(自身を除く): 24004458

約数列:

[1, 2, 3, 6, 9, 18, 769, 1481, 1538, 2307, 2962, 4443, 4614, 6921, 8886, 13329, 13842, 26658, 1138889, 2277778, 3416667, 6833334, 10250001, 20500002]

約数ペア:

[(1, 20500002), (2, 10250001), (3, 6833334), (6, 3416667), (9, 2277778), (18, 1138889), (769, 26658), (1481, 13842), (1538, 13329), (2307, 8886), (2962, 6921), (4443, 4614)]