20718636

素因数分解:

$2^2\times 3^1\times {\mathrm{397}}^1\times {\mathrm{4349}}^1$

素因数の和:4753

約数の個数: 24

約数和(自身を含む): 48476400

約数和(自身を除く): 27757764

約数列:

[1, 2, 3, 4, 6, 12, 397, 794, 1191, 1588, 2382, 4349, 4764, 8698, 13047, 17396, 26094, 52188, 1726553, 3453106, 5179659, 6906212, 10359318, 20718636]

約数ペア:

[(1, 20718636), (2, 10359318), (3, 6906212), (4, 5179659), (6, 3453106), (12, 1726553), (397, 52188), (794, 26094), (1191, 17396), (1588, 13047), (2382, 8698), (4349, 4764)]