20812401

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3467}}^1$

素因数の和:3525

約数の個数: 24

約数和(自身を含む): 32460480

約数和(自身を除く): 11648079

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3467, 6003, 10401, 31203, 79741, 100543, 239223, 301629, 717669, 904887, 2312489, 6937467, 20812401]

約数ペア:

[(1, 20812401), (3, 6937467), (9, 2312489), (23, 904887), (29, 717669), (69, 301629), (87, 239223), (207, 100543), (261, 79741), (667, 31203), (2001, 10401), (3467, 6003)]