20105124

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128879}}^1$

素因数の和:128899

約数の個数: 24

約数和(自身を含む): 50520960

約数和(自身を除く): 30415836

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128879, 257758, 386637, 515516, 773274, 1546548, 1675427, 3350854, 5026281, 6701708, 10052562, 20105124]

約数ペア:

[(1, 20105124), (2, 10052562), (3, 6701708), (4, 5026281), (6, 3350854), (12, 1675427), (13, 1546548), (26, 773274), (39, 515516), (52, 386637), (78, 257758), (156, 128879)]