20928340

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3301}}^1$

素因数の和:3627

約数の個数: 24

約数和(自身を含む): 44101512

約数和(自身を除く): 23173172

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 3301, 6340, 6602, 13204, 16505, 33010, 66020, 1046417, 2092834, 4185668, 5232085, 10464170, 20928340]

約数ペア:

[(1, 20928340), (2, 10464170), (4, 5232085), (5, 4185668), (10, 2092834), (20, 1046417), (317, 66020), (634, 33010), (1268, 16505), (1585, 13204), (3170, 6602), (3301, 6340)]