20320716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130261}}^1$

素因数の和:130281

約数の個数: 24

約数和(自身を含む): 51062704

約数和(自身を除く): 30741988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 130261, 260522, 390783, 521044, 781566, 1563132, 1693393, 3386786, 5080179, 6773572, 10160358, 20320716]

約数ペア:

[(1, 20320716), (2, 10160358), (3, 6773572), (4, 5080179), (6, 3386786), (12, 1693393), (13, 1563132), (26, 781566), (39, 521044), (52, 390783), (78, 260522), (156, 130261)]