20742135

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{22669}}^1$

素因数の和:22738

約数の個数: 16

約数和(自身を含む): 33732960

約数和(自身を除く): 12990825

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 22669, 68007, 113345, 340035, 1382809, 4148427, 6914045, 20742135]

約数ペア:

[(1, 20742135), (3, 6914045), (5, 4148427), (15, 1382809), (61, 340035), (183, 113345), (305, 68007), (915, 22669)]