20279259

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2251}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 39346944

約数和(自身を除く): 19067685

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2251, 3003, 6753, 9009, 15757, 20259, 24761, 29263, 47271, 74283, 87789, 141813, 173327, 204841, 222849, 263367, 321893, 519981, 614523, 965679, 1559943, 1843569, 2253251, 2897037, 6759753, 20279259]

約数ペア:

[(1, 20279259), (3, 6759753), (7, 2897037), (9, 2253251), (11, 1843569), (13, 1559943), (21, 965679), (33, 614523), (39, 519981), (63, 321893), (77, 263367), (91, 222849), (99, 204841), (117, 173327), (143, 141813), (231, 87789), (273, 74283), (429, 47271), (693, 29263), (819, 24761), (1001, 20259), (1287, 15757), (2251, 9009), (3003, 6753)]