20313449

素因数分解:

${\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 22473360

約数和(自身を除く): 2159911

約数列:

[1, 13, 89, 97, 181, 1157, 1261, 2353, 8633, 16109, 17557, 112229, 209417, 228241, 1562573, 20313449]

約数ペア:

[(1, 20313449), (13, 1562573), (89, 228241), (97, 209417), (181, 112229), (1157, 17557), (1261, 16109), (2353, 8633)]