20172620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77587}}^1$

素因数の和:77609

約数の個数: 24

約数和(自身を含む): 45621744

約数和(自身を除く): 25449124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77587, 155174, 310348, 387935, 775870, 1008631, 1551740, 2017262, 4034524, 5043155, 10086310, 20172620]

約数ペア:

[(1, 20172620), (2, 10086310), (4, 5043155), (5, 4034524), (10, 2017262), (13, 1551740), (20, 1008631), (26, 775870), (52, 387935), (65, 310348), (130, 155174), (260, 77587)]