20904168

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{28097}}^1$

素因数の和:28137

約数の個数: 32

約数和(自身を含む): 53948160

約数和(自身を除く): 33043992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 28097, 56194, 84291, 112388, 168582, 224776, 337164, 674328, 871007, 1742014, 2613021, 3484028, 5226042, 6968056, 10452084, 20904168]

約数ペア:

[(1, 20904168), (2, 10452084), (3, 6968056), (4, 5226042), (6, 3484028), (8, 2613021), (12, 1742014), (24, 871007), (31, 674328), (62, 337164), (93, 224776), (124, 168582), (186, 112388), (248, 84291), (372, 56194), (744, 28097)]