20172875120

素因数分解:

$2^4\times 5^1\times {\mathrm{252160939}}^1$

素因数の和:252160952

約数の個数: 20

約数和(自身を含む): 46901934840

約数和(自身を除く): 26729059720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252160939, 504321878, 1008643756, 1260804695, 2017287512, 2521609390, 4034575024, 5043218780, 10086437560, 20172875120]

約数ペア:

[(1, 20172875120), (2, 10086437560), (4, 5043218780), (5, 4034575024), (8, 2521609390), (10, 2017287512), (16, 1260804695), (20, 1008643756), (40, 504321878), (80, 252160939)]