20763738

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 26200998

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 127, 186, 254, 279, 293, 381, 558, 586, 762, 879, 1143, 1758, 2286, 2637, 3937, 5274, 7874, 9083, 11811, 18166, 23622, 27249, 35433, 37211, 54498, 70866, 74422, 81747, 111633, 163494, 223266, 334899, 669798, 1153541, 2307082, 3460623, 6921246, 10381869, 20763738]

約数ペア:

[(1, 20763738), (2, 10381869), (3, 6921246), (6, 3460623), (9, 2307082), (18, 1153541), (31, 669798), (62, 334899), (93, 223266), (127, 163494), (186, 111633), (254, 81747), (279, 74422), (293, 70866), (381, 54498), (558, 37211), (586, 35433), (762, 27249), (879, 23622), (1143, 18166), (1758, 11811), (2286, 9083), (2637, 7874), (3937, 5274)]