20209930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155461}}^1$

素因数の和:155481

約数の個数: 16

約数和(自身を含む): 39176424

約数和(自身を除く): 18966494

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 155461, 310922, 777305, 1554610, 2020993, 4041986, 10104965, 20209930]

約数ペア:

[(1, 20209930), (2, 10104965), (5, 4041986), (10, 2020993), (13, 1554610), (26, 777305), (65, 310922), (130, 155461)]