20138065

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{751}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 25122816

約数和(自身を除く): 4984751

約数列:

[1, 5, 31, 155, 173, 751, 865, 3755, 5363, 23281, 26815, 116405, 129923, 649615, 4027613, 20138065]

約数ペア:

[(1, 20138065), (5, 4027613), (31, 649615), (155, 129923), (173, 116405), (751, 26815), (865, 23281), (3755, 5363)]