20408712

素因数分解:

$2^3\times 3^1\times {\mathrm{431}}^1\times {\mathrm{1973}}^1$

素因数の和:2413

約数の個数: 32

約数和(自身を含む): 51166080

約数和(自身を除く): 30757368

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 431, 862, 1293, 1724, 1973, 2586, 3448, 3946, 5172, 5919, 7892, 10344, 11838, 15784, 23676, 47352, 850363, 1700726, 2551089, 3401452, 5102178, 6802904, 10204356, 20408712]

約数ペア:

[(1, 20408712), (2, 10204356), (3, 6802904), (4, 5102178), (6, 3401452), (8, 2551089), (12, 1700726), (24, 850363), (431, 47352), (862, 23676), (1293, 15784), (1724, 11838), (1973, 10344), (2586, 7892), (3448, 5919), (3946, 5172)]