20219645

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{911}}^1$

素因数の和:1132

約数の個数: 16

約数和(自身を含む): 25477632

約数和(自身を除く): 5257987

約数列:

[1, 5, 23, 115, 193, 911, 965, 4439, 4555, 20953, 22195, 104765, 175823, 879115, 4043929, 20219645]

約数ペア:

[(1, 20219645), (5, 4043929), (23, 879115), (115, 175823), (193, 104765), (911, 22195), (965, 20953), (4439, 4555)]