20256306

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{68899}}^1$

素因数の和:68918

約数の個数: 24

約数和(自身を含む): 47127600

約数和(自身を除く): 26871294

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 68899, 137798, 206697, 413394, 482293, 964586, 1446879, 2893758, 3376051, 6752102, 10128153, 20256306]

約数ペア:

[(1, 20256306), (2, 10128153), (3, 6752102), (6, 3376051), (7, 2893758), (14, 1446879), (21, 964586), (42, 482293), (49, 413394), (98, 206697), (147, 137798), (294, 68899)]