20396926655

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{433931}}^1$

素因数の和:434039

約数の個数: 32

約数和(自身を含む): 29993379840

約数和(自身を除く): 9596453185

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 395, 553, 595, 1343, 2765, 6715, 9401, 47005, 433931, 2169655, 3037517, 7376827, 15187585, 34280549, 36884135, 51637789, 171402745, 239963843, 258188945, 582769333, 1199819215, 2913846665, 4079385331, 20396926655]

約数ペア:

[(1, 20396926655), (5, 4079385331), (7, 2913846665), (17, 1199819215), (35, 582769333), (79, 258188945), (85, 239963843), (119, 171402745), (395, 51637789), (553, 36884135), (595, 34280549), (1343, 15187585), (2765, 7376827), (6715, 3037517), (9401, 2169655), (47005, 433931)]