20883928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{200807}}^1$

素因数の和:200826

約数の個数: 16

約数和(自身を含む): 42169680

約数和(自身を除く): 21285752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 200807, 401614, 803228, 1606456, 2610491, 5220982, 10441964, 20883928]

約数ペア:

[(1, 20883928), (2, 10441964), (4, 5220982), (8, 2610491), (13, 1606456), (26, 803228), (52, 401614), (104, 200807)]