22178455

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20071}}^1$

素因数の和:20106

約数の個数: 16

約数和(自身を含む): 30348864

約数和(自身を除く): 8170409

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 20071, 100355, 260923, 341207, 1304615, 1706035, 4435691, 22178455]

約数ペア:

[(1, 22178455), (5, 4435691), (13, 1706035), (17, 1304615), (65, 341207), (85, 260923), (221, 100355), (1105, 20071)]