20512453895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1900181}}^1$

素因数の和:1900330

約数の個数: 16

約数和(自身を含む): 26268115968

約数和(自身を除く): 5755662073

約数列:

[1, 5, 17, 85, 127, 635, 2159, 10795, 1900181, 9500905, 32303077, 161515385, 241322987, 1206614935, 4102490779, 20512453895]

約数ペア:

[(1, 20512453895), (5, 4102490779), (17, 1206614935), (85, 241322987), (127, 161515385), (635, 32303077), (2159, 9500905), (10795, 1900181)]