20980024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201731}}^1$

素因数の和:201750

約数の個数: 16

約数和(自身を含む): 42363720

約数和(自身を除く): 21383696

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201731, 403462, 806924, 1613848, 2622503, 5245006, 10490012, 20980024]

約数ペア:

[(1, 20980024), (2, 10490012), (4, 5245006), (8, 2622503), (13, 1613848), (26, 806924), (52, 403462), (104, 201731)]