20060320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17911}}^1$

素因数の和:17933

約数の個数: 48

約数和(自身を含む): 54165888

約数和(自身を除く): 34105568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17911, 35822, 71644, 89555, 125377, 143288, 179110, 250754, 286576, 358220, 501508, 573152, 626885, 716440, 1003016, 1253770, 1432880, 2006032, 2507540, 2865760, 4012064, 5015080, 10030160, 20060320]

約数ペア:

[(1, 20060320), (2, 10030160), (4, 5015080), (5, 4012064), (7, 2865760), (8, 2507540), (10, 2006032), (14, 1432880), (16, 1253770), (20, 1003016), (28, 716440), (32, 626885), (35, 573152), (40, 501508), (56, 358220), (70, 286576), (80, 250754), (112, 179110), (140, 143288), (160, 125377), (224, 89555), (280, 71644), (560, 35822), (1120, 17911)]