20920011

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2333}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 32993424

約数和(自身を除く): 12073413

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 2333, 2989, 6999, 8967, 16331, 48993, 114317, 142313, 342951, 426939, 996191, 2988573, 6973337, 20920011]

約数ペア:

[(1, 20920011), (3, 6973337), (7, 2988573), (21, 996191), (49, 426939), (61, 342951), (147, 142313), (183, 114317), (427, 48993), (1281, 16331), (2333, 8967), (2989, 6999)]