20245564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{547}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 37439360

約数和(自身を除く): 17193796

約数列:

[1, 2, 4, 19, 38, 76, 487, 547, 974, 1094, 1948, 2188, 9253, 10393, 18506, 20786, 37012, 41572, 266389, 532778, 1065556, 5061391, 10122782, 20245564]

約数ペア:

[(1, 20245564), (2, 10122782), (4, 5061391), (19, 1065556), (38, 532778), (76, 266389), (487, 41572), (547, 37012), (974, 20786), (1094, 18506), (1948, 10393), (2188, 9253)]