20339011

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 26703360

約数和(自身を除く): 6364349

約数列:

[1, 7, 11, 37, 59, 77, 121, 259, 407, 413, 649, 847, 1331, 2183, 2849, 4477, 4543, 7139, 9317, 15281, 24013, 31339, 49247, 49973, 78529, 168091, 264143, 344729, 549703, 1849001, 2905573, 20339011]

約数ペア:

[(1, 20339011), (7, 2905573), (11, 1849001), (37, 549703), (59, 344729), (77, 264143), (121, 168091), (259, 78529), (407, 49973), (413, 49247), (649, 31339), (847, 24013), (1331, 15281), (2183, 9317), (2849, 7139), (4477, 4543)]