20878522

素因数分解:

$2^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{3221}}^1$

素因数の和:3693

約数の個数: 16

約数和(自身を含む): 35880192

約数和(自身を除く): 15001670

約数列:

[1, 2, 7, 14, 463, 926, 3221, 3241, 6442, 6482, 22547, 45094, 1491323, 2982646, 10439261, 20878522]

約数ペア:

[(1, 20878522), (2, 10439261), (7, 2982646), (14, 1491323), (463, 45094), (926, 22547), (3221, 6482), (3241, 6442)]