20553505

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{14323}}^1$

素因数の和:14376

約数の個数: 16

約数和(自身を含む): 28877184

約数和(自身を除く): 8323679

約数列:

[1, 5, 7, 35, 41, 205, 287, 1435, 14323, 71615, 100261, 501305, 587243, 2936215, 4110701, 20553505]

約数ペア:

[(1, 20553505), (5, 4110701), (7, 2936215), (35, 587243), (41, 501305), (205, 100261), (287, 71615), (1435, 14323)]