20495573

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{6857}}^1$

素因数の和:6932

約数の個数: 12

約数和(自身を含む): 24236172

約数和(自身を除く): 3740599

約数列:

[1, 7, 49, 61, 427, 2989, 6857, 47999, 335993, 418277, 2927939, 20495573]

約数ペア:

[(1, 20495573), (7, 2927939), (49, 418277), (61, 335993), (427, 47999), (2989, 6857)]