20427628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4733}}^1$

素因数の和:4833

約数の個数: 24

約数和(自身を含む): 38970288

約数和(自身を除く): 18542660

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4733, 9466, 18932, 61529, 123058, 246116, 392839, 785678, 1571356, 5106907, 10213814, 20427628]

約数ペア:

[(1, 20427628), (2, 10213814), (4, 5106907), (13, 1571356), (26, 785678), (52, 392839), (83, 246116), (166, 123058), (332, 61529), (1079, 18932), (2158, 9466), (4316, 4733)]