20149254905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1951}}^1\times {\mathrm{2693}}^1$

素因数の和:4721

約数の個数: 32

約数和(自身を含む): 26503787520

約数和(自身を除く): 6354532615

約数列:

[1, 5, 13, 59, 65, 295, 767, 1951, 2693, 3835, 9755, 13465, 25363, 35009, 115109, 126815, 158887, 175045, 575545, 794435, 1496417, 2065531, 5254043, 7482085, 10327655, 26270215, 68302559, 309988537, 341512795, 1549942685, 4029850981, 20149254905]

約数ペア:

[(1, 20149254905), (5, 4029850981), (13, 1549942685), (59, 341512795), (65, 309988537), (295, 68302559), (767, 26270215), (1951, 10327655), (2693, 7482085), (3835, 5254043), (9755, 2065531), (13465, 1496417), (25363, 794435), (35009, 575545), (115109, 175045), (126815, 158887)]