20123572265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1753}}^1\times {\mathrm{4657}}^1$

素因数の和:6461

約数の個数: 32

約数和(自身を含む): 26471227680

約数和(自身を除く): 6347655415

約数列:

[1, 5, 17, 29, 85, 145, 493, 1753, 2465, 4657, 8765, 23285, 29801, 50837, 79169, 135053, 149005, 254185, 395845, 675265, 864229, 2295901, 4321145, 8163721, 11479505, 40818605, 138783257, 236747909, 693916285, 1183739545, 4024714453, 20123572265]

約数ペア:

[(1, 20123572265), (5, 4024714453), (17, 1183739545), (29, 693916285), (85, 236747909), (145, 138783257), (493, 40818605), (1753, 11479505), (2465, 8163721), (4657, 4321145), (8765, 2295901), (23285, 864229), (29801, 675265), (50837, 395845), (79169, 254185), (135053, 149005)]