20676124

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8297}}^1$

素因数の和:8397

約数の個数: 24

約数和(自身を含む): 41821920

約数和(自身を除く): 21145796

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8297, 16594, 33188, 58079, 116158, 232316, 738433, 1476866, 2953732, 5169031, 10338062, 20676124]

約数ペア:

[(1, 20676124), (2, 10338062), (4, 5169031), (7, 2953732), (14, 1476866), (28, 738433), (89, 232316), (178, 116158), (356, 58079), (623, 33188), (1246, 16594), (2492, 8297)]