20506128

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13781}}^1$

素因数の和:13823

約数の個数: 40

約数和(自身を含む): 54686976

約数和(自身を除く): 34180848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13781, 27562, 41343, 55124, 82686, 110248, 165372, 220496, 330744, 427211, 661488, 854422, 1281633, 1708844, 2563266, 3417688, 5126532, 6835376, 10253064, 20506128]

約数ペア:

[(1, 20506128), (2, 10253064), (3, 6835376), (4, 5126532), (6, 3417688), (8, 2563266), (12, 1708844), (16, 1281633), (24, 854422), (31, 661488), (48, 427211), (62, 330744), (93, 220496), (124, 165372), (186, 110248), (248, 82686), (372, 55124), (496, 41343), (744, 27562), (1488, 13781)]