20239505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28307}}^1$

素因数の和:28336

約数の個数: 16

約数和(自身を含む): 28534464

約数和(自身を除く): 8294959

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28307, 141535, 311377, 367991, 1556885, 1839955, 4047901, 20239505]

約数ペア:

[(1, 20239505), (5, 4047901), (11, 1839955), (13, 1556885), (55, 367991), (65, 311377), (143, 141535), (715, 28307)]