20578662

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87943}}^1$

素因数の和:87964

約数の個数: 24

約数和(自身を含む): 48017424

約数和(自身を除く): 27438762

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87943, 175886, 263829, 527658, 791487, 1143259, 1582974, 2286518, 3429777, 6859554, 10289331, 20578662]

約数ペア:

[(1, 20578662), (2, 10289331), (3, 6859554), (6, 3429777), (9, 2286518), (13, 1582974), (18, 1143259), (26, 791487), (39, 527658), (78, 263829), (117, 175886), (234, 87943)]