20325767

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{499}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 26544000

約数和(自身を除く): 6218233

約数列:

[1, 7, 11, 23, 77, 161, 253, 499, 529, 1771, 3493, 3703, 5489, 5819, 11477, 38423, 40733, 80339, 126247, 263971, 883729, 1847797, 2903681, 20325767]

約数ペア:

[(1, 20325767), (7, 2903681), (11, 1847797), (23, 883729), (77, 263971), (161, 126247), (253, 80339), (499, 40733), (529, 38423), (1771, 11477), (3493, 5819), (3703, 5489)]