20773389

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1619}}^1$

素因数の和:1689

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14063091

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 987, 1619, 1833, 4277, 4857, 11333, 12831, 21047, 33999, 63141, 76093, 147329, 228279, 441987, 532651, 989209, 1597953, 2967627, 6924463, 20773389]

約数ペア:

[(1, 20773389), (3, 6924463), (7, 2967627), (13, 1597953), (21, 989209), (39, 532651), (47, 441987), (91, 228279), (141, 147329), (273, 76093), (329, 63141), (611, 33999), (987, 21047), (1619, 12831), (1833, 11333), (4277, 4857)]