20244385

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 28788480

約数和(自身を除く): 8544095

約数列:

[1, 5, 7, 35, 67, 89, 97, 335, 445, 469, 485, 623, 679, 2345, 3115, 3395, 5963, 6499, 8633, 29815, 32495, 41741, 43165, 45493, 60431, 208705, 227465, 302155, 578411, 2892055, 4048877, 20244385]

約数ペア:

[(1, 20244385), (5, 4048877), (7, 2892055), (35, 578411), (67, 302155), (89, 227465), (97, 208705), (335, 60431), (445, 45493), (469, 43165), (485, 41741), (623, 32495), (679, 29815), (2345, 8633), (3115, 6499), (3395, 5963)]