20007262480

素因数分解:

$2^4\times 5^1\times {\mathrm{250090781}}^1$

素因数の和:250090794

約数の個数: 20

約数和(自身を含む): 46516885452

約数和(自身を除く): 26509622972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250090781, 500181562, 1000363124, 1250453905, 2000726248, 2500907810, 4001452496, 5001815620, 10003631240, 20007262480]

約数ペア:

[(1, 20007262480), (2, 10003631240), (4, 5001815620), (5, 4001452496), (8, 2500907810), (10, 2000726248), (16, 1250453905), (20, 1000363124), (40, 500181562), (80, 250090781)]