20500438

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16453}}^1$

素因数の和:16551

約数の個数: 16

約数和(自身を含む): 35540640

約数和(自身を除く): 15040202

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16453, 32906, 115171, 230342, 1464317, 2928634, 10250219, 20500438]

約数ペア:

[(1, 20500438), (2, 10250219), (7, 2928634), (14, 1464317), (89, 230342), (178, 115171), (623, 32906), (1246, 16453)]