20792975

素因数分解:

$5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1055

約数の個数: 24

約数和(自身を含む): 29724288

約数和(自身を除く): 8931313

約数列:

[1, 5, 7, 25, 35, 131, 175, 655, 907, 917, 3275, 4535, 4585, 6349, 22675, 22925, 31745, 118817, 158725, 594085, 831719, 2970425, 4158595, 20792975]

約数ペア:

[(1, 20792975), (5, 4158595), (7, 2970425), (25, 831719), (35, 594085), (131, 158725), (175, 118817), (655, 31745), (907, 22925), (917, 22675), (3275, 6349), (4535, 4585)]