20155271475

素因数分解:

$3^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2116039}}^1$

素因数の和:2116179

約数の個数: 24

約数和(自身を含む): 33585786880

約数和(自身を除く): 13430515405

約数列:

[1, 3, 5, 15, 25, 75, 127, 381, 635, 1905, 3175, 9525, 2116039, 6348117, 10580195, 31740585, 52900975, 158702925, 268736953, 806210859, 1343684765, 4031054295, 6718423825, 20155271475]

約数ペア:

[(1, 20155271475), (3, 6718423825), (5, 4031054295), (15, 1343684765), (25, 806210859), (75, 268736953), (127, 158702925), (381, 52900975), (635, 31740585), (1905, 10580195), (3175, 6348117), (9525, 2116039)]