20880590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122827}}^1$

素因数の和:122851

約数の個数: 16

約数和(自身を含む): 39796272

約数和(自身を除く): 18915682

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 122827, 245654, 614135, 1228270, 2088059, 4176118, 10440295, 20880590]

約数ペア:

[(1, 20880590), (2, 10440295), (5, 4176118), (10, 2088059), (17, 1228270), (34, 614135), (85, 245654), (170, 122827)]