20650131

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{613}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 31608720

約数和(自身を除く): 10958589

約数列:

[1, 3, 9, 19, 57, 171, 197, 591, 613, 1773, 1839, 3743, 5517, 11229, 11647, 33687, 34941, 104823, 120761, 362283, 1086849, 2294459, 6883377, 20650131]

約数ペア:

[(1, 20650131), (3, 6883377), (9, 2294459), (19, 1086849), (57, 362283), (171, 120761), (197, 104823), (591, 34941), (613, 33687), (1773, 11647), (1839, 11229), (3743, 5517)]