20117222

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{12589}}^1$

素因数の和:12655

約数の個数: 16

約数和(自身を含む): 32633280

約数和(自身を除く): 12516058

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 12589, 25178, 214013, 428026, 591683, 1183366, 10058611, 20117222]

約数ペア:

[(1, 20117222), (2, 10058611), (17, 1183366), (34, 591683), (47, 428026), (94, 214013), (799, 25178), (1598, 12589)]