20520423

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29611}}^1$

素因数の和:29635

約数の個数: 24

約数和(自身を含む): 36955776

約数和(自身を除く): 16435353

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29611, 88833, 207277, 266499, 325721, 621831, 977163, 1865493, 2280047, 2931489, 6840141, 20520423]

約数ペア:

[(1, 20520423), (3, 6840141), (7, 2931489), (9, 2280047), (11, 1865493), (21, 977163), (33, 621831), (63, 325721), (77, 266499), (99, 207277), (231, 88833), (693, 29611)]