169982020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653777}}^1$

素因数の和:653799

約数の個数: 24

約数和(自身を含む): 384421464

約数和(自身を除く): 214439444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 653777, 1307554, 2615108, 3268885, 6537770, 8499101, 13075540, 16998202, 33996404, 42495505, 84991010, 169982020]

約数ペア:

[(1, 169982020), (2, 84991010), (4, 42495505), (5, 33996404), (10, 16998202), (13, 13075540), (20, 8499101), (26, 6537770), (52, 3268885), (65, 2615108), (130, 1307554), (260, 653777)]