20875306

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5099}}^1$

素因数の和:5213

約数の個数: 16

約数和(自身を含む): 33048000

約数和(自身を除く): 12172694

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 5099, 10198, 117277, 234554, 453811, 907622, 10437653, 20875306]

約数ペア:

[(1, 20875306), (2, 10437653), (23, 907622), (46, 453811), (89, 234554), (178, 117277), (2047, 10198), (4094, 5099)]