20512201965

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1291}}^1\times {\mathrm{7109}}^1$

素因数の和:8557

約数の個数: 32

約数和(自身を含む): 33070032000

約数和(自身を除く): 12557830035

約数列:

[1, 3, 5, 15, 149, 447, 745, 1291, 2235, 3873, 6455, 7109, 19365, 21327, 35545, 106635, 192359, 577077, 961795, 1059241, 2885385, 3177723, 5296205, 9177719, 15888615, 27533157, 45888595, 137665785, 1367480131, 4102440393, 6837400655, 20512201965]

約数ペア:

[(1, 20512201965), (3, 6837400655), (5, 4102440393), (15, 1367480131), (149, 137665785), (447, 45888595), (745, 27533157), (1291, 15888615), (2235, 9177719), (3873, 5296205), (6455, 3177723), (7109, 2885385), (19365, 1059241), (21327, 961795), (35545, 577077), (106635, 192359)]