20340238

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:819

約数の個数: 16

約数和(自身を含む): 31050000

約数和(自身を除く): 10709762

約数列:

[1, 2, 89, 178, 229, 458, 499, 998, 20381, 40762, 44411, 88822, 114271, 228542, 10170119, 20340238]

約数ペア:

[(1, 20340238), (2, 10170119), (89, 228542), (178, 114271), (229, 88822), (458, 44411), (499, 40762), (998, 20381)]