20687338

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16603}}^1$

素因数の和:16701

約数の個数: 16

約数和(自身を含む): 35864640

約数和(自身を除く): 15177302

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 16603, 33206, 116221, 232442, 1477667, 2955334, 10343669, 20687338]

約数ペア:

[(1, 20687338), (2, 10343669), (7, 2955334), (14, 1477667), (89, 232442), (178, 116221), (623, 33206), (1246, 16603)]