20797450455

素因数分解:

$3^1\times 5^1\times {\mathrm{743}}^1\times {\mathrm{829}}^1\times {\mathrm{2251}}^1$

素因数の和:3831

約数の個数: 32

約数和(自身を含む): 33375720960

約数和(自身を除く): 12578270505

約数列:

[1, 3, 5, 15, 743, 829, 2229, 2251, 2487, 3715, 4145, 6753, 11145, 11255, 12435, 33765, 615947, 1672493, 1847841, 1866079, 3079735, 5017479, 5598237, 8362465, 9239205, 9330395, 25087395, 27991185, 1386496697, 4159490091, 6932483485, 20797450455]

約数ペア:

[(1, 20797450455), (3, 6932483485), (5, 4159490091), (15, 1386496697), (743, 27991185), (829, 25087395), (2229, 9330395), (2251, 9239205), (2487, 8362465), (3715, 5598237), (4145, 5017479), (6753, 3079735), (11145, 1866079), (11255, 1847841), (12435, 1672493), (33765, 615947)]