20740225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1423}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 28605312

約数和(自身を除く): 7865087

約数列:

[1, 5, 11, 25, 53, 55, 265, 275, 583, 1325, 1423, 2915, 7115, 14575, 15653, 35575, 75419, 78265, 377095, 391325, 829609, 1885475, 4148045, 20740225]

約数ペア:

[(1, 20740225), (5, 4148045), (11, 1885475), (25, 829609), (53, 391325), (55, 377095), (265, 78265), (275, 75419), (583, 35575), (1325, 15653), (1423, 14575), (2915, 7115)]