20704424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199081}}^1$

素因数の和:199100

約数の個数: 16

約数和(自身を含む): 41807220

約数和(自身を除く): 21102796

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199081, 398162, 796324, 1592648, 2588053, 5176106, 10352212, 20704424]

約数ペア:

[(1, 20704424), (2, 10352212), (4, 5176106), (8, 2588053), (13, 1592648), (26, 796324), (52, 398162), (104, 199081)]