20026520

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2797}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 45327600

約数和(自身を除く): 25301080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 2797, 3580, 5594, 7160, 11188, 13985, 22376, 27970, 55940, 111880, 500663, 1001326, 2002652, 2503315, 4005304, 5006630, 10013260, 20026520]

約数ペア:

[(1, 20026520), (2, 10013260), (4, 5006630), (5, 4005304), (8, 2503315), (10, 2002652), (20, 1001326), (40, 500663), (179, 111880), (358, 55940), (716, 27970), (895, 22376), (1432, 13985), (1790, 11188), (2797, 7160), (3580, 5594)]