20630505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3297

約数の個数: 32

約数和(自身を含む): 38354688

約数和(自身を除く): 17724183

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 3221, 6405, 9663, 16105, 22547, 48315, 67641, 112735, 196481, 338205, 589443, 982405, 1375367, 2947215, 4126101, 6876835, 20630505]

約数ペア:

[(1, 20630505), (3, 6876835), (5, 4126101), (7, 2947215), (15, 1375367), (21, 982405), (35, 589443), (61, 338205), (105, 196481), (183, 112735), (305, 67641), (427, 48315), (915, 22547), (1281, 16105), (2135, 9663), (3221, 6405)]