20459443

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:354

約数の個数: 16

約数和(自身を含む): 22150656

約数和(自身を除く): 1691213

約数列:

[1, 23, 43, 137, 151, 989, 3151, 3473, 5891, 6493, 20687, 135493, 149339, 475801, 889541, 20459443]

約数ペア:

[(1, 20459443), (23, 889541), (43, 475801), (137, 149339), (151, 135493), (989, 20687), (3151, 6493), (3473, 5891)]