20577804

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131909}}^1$

素因数の和:131929

約数の個数: 24

約数和(自身を含む): 51708720

約数和(自身を除く): 31130916

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131909, 263818, 395727, 527636, 791454, 1582908, 1714817, 3429634, 5144451, 6859268, 10288902, 20577804]

約数ペア:

[(1, 20577804), (2, 10288902), (3, 6859268), (4, 5144451), (6, 3429634), (12, 1714817), (13, 1582908), (26, 791454), (39, 527636), (52, 395727), (78, 263818), (156, 131909)]