20910673

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{359}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 24572160

約数和(自身を除く): 3661487

約数列:

[1, 7, 53, 157, 359, 371, 1099, 2513, 8321, 19027, 56363, 58247, 133189, 394541, 2987239, 20910673]

約数ペア:

[(1, 20910673), (7, 2987239), (53, 394541), (157, 133189), (359, 58247), (371, 56363), (1099, 19027), (2513, 8321)]