17000920

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{661}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 38369520

約数和(自身を除く): 21368600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 661, 1286, 1322, 2572, 2644, 3215, 3305, 5144, 5288, 6430, 6610, 12860, 13220, 25720, 26440, 425023, 850046, 1700092, 2125115, 3400184, 4250230, 8500460, 17000920]

約数ペア:

[(1, 17000920), (2, 8500460), (4, 4250230), (5, 3400184), (8, 2125115), (10, 1700092), (20, 850046), (40, 425023), (643, 26440), (661, 25720), (1286, 13220), (1322, 12860), (2572, 6610), (2644, 6430), (3215, 5288), (3305, 5144)]