20636

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:89

約数の個数: 24

約数和(自身を含む): 45696

約数和(自身を除く): 25060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 1474, 1876, 2948, 5159, 10318, 20636]

約数ペア:

[(1, 20636), (2, 10318), (4, 5159), (7, 2948), (11, 1876), (14, 1474), (22, 938), (28, 737), (44, 469), (67, 308), (77, 268), (134, 154)]