20155785

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7951}}^1$

素因数の和:7985

約数の個数: 24

約数和(自身を含む): 34925184

約数和(自身を除く): 14769399

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7951, 23853, 39755, 103363, 119265, 310089, 516815, 1343719, 1550445, 4031157, 6718595, 20155785]

約数ペア:

[(1, 20155785), (3, 6718595), (5, 4031157), (13, 1550445), (15, 1343719), (39, 516815), (65, 310089), (169, 119265), (195, 103363), (507, 39755), (845, 23853), (2535, 7951)]