20345246

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:827

約数の個数: 16

約数和(自身を含む): 31103088

約数和(自身を除く): 10757842

約数列:

[1, 2, 73, 146, 331, 421, 662, 842, 24163, 30733, 48326, 61466, 139351, 278702, 10172623, 20345246]

約数ペア:

[(1, 20345246), (2, 10172623), (73, 278702), (146, 139351), (331, 61466), (421, 48326), (662, 30733), (842, 24163)]