20426172

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1031}}^1$

素因数の和:1178

約数の個数: 48

約数和(自身を含む): 51781632

約数和(自身を除く): 31355460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 127, 156, 254, 381, 508, 762, 1031, 1524, 1651, 2062, 3093, 3302, 4124, 4953, 6186, 6604, 9906, 12372, 13403, 19812, 26806, 40209, 53612, 80418, 130937, 160836, 261874, 392811, 523748, 785622, 1571244, 1702181, 3404362, 5106543, 6808724, 10213086, 20426172]

約数ペア:

[(1, 20426172), (2, 10213086), (3, 6808724), (4, 5106543), (6, 3404362), (12, 1702181), (13, 1571244), (26, 785622), (39, 523748), (52, 392811), (78, 261874), (127, 160836), (156, 130937), (254, 80418), (381, 53612), (508, 40209), (762, 26806), (1031, 19812), (1524, 13403), (1651, 12372), (2062, 9906), (3093, 6604), (3302, 6186), (4124, 4953)]