20603485

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 9256355

約数列:

[1, 5, 7, 29, 35, 53, 145, 203, 265, 371, 383, 1015, 1537, 1855, 1915, 2681, 7685, 10759, 11107, 13405, 20299, 53795, 55535, 77749, 101495, 142093, 388745, 588671, 710465, 2943355, 4120697, 20603485]

約数ペア:

[(1, 20603485), (5, 4120697), (7, 2943355), (29, 710465), (35, 588671), (53, 388745), (145, 142093), (203, 101495), (265, 77749), (371, 55535), (383, 53795), (1015, 20299), (1537, 13405), (1855, 11107), (1915, 10759), (2681, 7685)]