20460783

素因数分解:

$3^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{769}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 31951920

約数和(自身を除く): 11491137

約数列:

[1, 3, 7, 21, 49, 147, 181, 543, 769, 1267, 2307, 3801, 5383, 8869, 16149, 26607, 37681, 113043, 139189, 417567, 974323, 2922969, 6820261, 20460783]

約数ペア:

[(1, 20460783), (3, 6820261), (7, 2922969), (21, 974323), (49, 417567), (147, 139189), (181, 113043), (543, 37681), (769, 26607), (1267, 16149), (2307, 8869), (3801, 5383)]