20516636

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8233}}^1$

素因数の和:8333

約数の個数: 24

約数和(自身を含む): 41499360

約数和(自身を除く): 20982724

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 8233, 16466, 32932, 57631, 115262, 230524, 732737, 1465474, 2930948, 5129159, 10258318, 20516636]

約数ペア:

[(1, 20516636), (2, 10258318), (4, 5129159), (7, 2930948), (14, 1465474), (28, 732737), (89, 230524), (178, 115262), (356, 57631), (623, 32932), (1246, 16466), (2492, 8233)]