20512017515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{808993}}^1$

素因数の和:809470

約数の個数: 16

約数和(自身を含む): 26910376416

約数和(自身を除く): 6398358901

約数列:

[1, 5, 11, 55, 461, 2305, 5071, 25355, 808993, 4044965, 8898923, 44494615, 372945773, 1864728865, 4102403503, 20512017515]

約数ペア:

[(1, 20512017515), (5, 4102403503), (11, 1864728865), (55, 372945773), (461, 44494615), (2305, 8898923), (5071, 4044965), (25355, 808993)]