20180690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{65099}}^1$

素因数の和:65137

約数の個数: 16

約数和(自身を含む): 37497600

約数和(自身を除く): 17316910

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 65099, 130198, 325495, 650990, 2018069, 4036138, 10090345, 20180690]

約数ペア:

[(1, 20180690), (2, 10090345), (5, 4036138), (10, 2018069), (31, 650990), (62, 325495), (155, 130198), (310, 65099)]