20343967

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 24952320

約数和(自身を除く): 4608353

約数列:

[1, 7, 31, 49, 59, 217, 227, 413, 1519, 1589, 1829, 2891, 7037, 11123, 12803, 13393, 49259, 89621, 93751, 344813, 415183, 656257, 2906281, 20343967]

約数ペア:

[(1, 20343967), (7, 2906281), (31, 656257), (49, 415183), (59, 344813), (217, 93751), (227, 89621), (413, 49259), (1519, 13393), (1589, 12803), (1829, 11123), (2891, 7037)]