20372454

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{26321}}^1$

素因数の和:26372

約数の個数: 24

約数和(自身を含む): 45168552

約数和(自身を除く): 24796098

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 26321, 52642, 78963, 157926, 236889, 473778, 1131803, 2263606, 3395409, 6790818, 10186227, 20372454]

約数ペア:

[(1, 20372454), (2, 10186227), (3, 6790818), (6, 3395409), (9, 2263606), (18, 1131803), (43, 473778), (86, 236889), (129, 157926), (258, 78963), (387, 52642), (774, 26321)]