20854408

素因数分解:

$2^3\times {\mathrm{367}}^1\times {\mathrm{7103}}^1$

素因数の和:7476

約数の個数: 16

約数和(自身を含む): 39214080

約数和(自身を除く): 18359672

約数列:

[1, 2, 4, 8, 367, 734, 1468, 2936, 7103, 14206, 28412, 56824, 2606801, 5213602, 10427204, 20854408]

約数ペア:

[(1, 20854408), (2, 10427204), (4, 5213602), (8, 2606801), (367, 56824), (734, 28412), (1468, 14206), (2936, 7103)]