20308785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{27631}}^1$

素因数の和:27653

約数の個数: 24

約数和(自身を含む): 37800576

約数和(自身を除く): 17491791

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 27631, 82893, 138155, 193417, 414465, 580251, 967085, 1353919, 2901255, 4061757, 6769595, 20308785]

約数ペア:

[(1, 20308785), (3, 6769595), (5, 4061757), (7, 2901255), (15, 1353919), (21, 967085), (35, 580251), (49, 414465), (105, 193417), (147, 138155), (245, 82893), (735, 27631)]