20861846

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:296

約数の個数: 24

約数和(自身を含む): 33028320

約数和(自身を除く): 12166474

約数列:

[1, 2, 29, 58, 79, 157, 158, 314, 841, 1682, 2291, 4553, 4582, 9106, 12403, 24806, 66439, 132037, 132878, 264074, 359687, 719374, 10430923, 20861846]

約数ペア:

[(1, 20861846), (2, 10430923), (29, 719374), (58, 359687), (79, 264074), (157, 132878), (158, 132037), (314, 66439), (841, 24806), (1682, 12403), (2291, 9106), (4553, 4582)]