20078156

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{42181}}^1$

素因数の和:42209

約数の個数: 24

約数和(自身を含む): 42519456

約数和(自身を除く): 22441300

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 42181, 84362, 168724, 295267, 590534, 717077, 1181068, 1434154, 2868308, 5019539, 10039078, 20078156]

約数ペア:

[(1, 20078156), (2, 10039078), (4, 5019539), (7, 2868308), (14, 1434154), (17, 1181068), (28, 717077), (34, 590534), (68, 295267), (119, 168724), (238, 84362), (476, 42181)]