20666534

素因数分解:

$2^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{929}}^1$

素因数の和:1172

約数の個数: 24

約数和(自身を含む): 36258840

約数和(自身を除く): 15592306

約数列:

[1, 2, 7, 14, 49, 98, 227, 454, 929, 1589, 1858, 3178, 6503, 11123, 13006, 22246, 45521, 91042, 210883, 421766, 1476181, 2952362, 10333267, 20666534]

約数ペア:

[(1, 20666534), (2, 10333267), (7, 2952362), (14, 1476181), (49, 421766), (98, 210883), (227, 91042), (454, 45521), (929, 22246), (1589, 13006), (1858, 11123), (3178, 6503)]