20437570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5227}}^1$

素因数の和:5274

約数の個数: 32

約数和(自身を含む): 40652928

約数和(自身を除く): 20215358

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 5227, 10454, 26135, 52270, 88859, 120221, 177718, 240442, 444295, 601105, 888590, 1202210, 2043757, 4087514, 10218785, 20437570]

約数ペア:

[(1, 20437570), (2, 10218785), (5, 4087514), (10, 2043757), (17, 1202210), (23, 888590), (34, 601105), (46, 444295), (85, 240442), (115, 177718), (170, 120221), (230, 88859), (391, 52270), (782, 26135), (1955, 10454), (3910, 5227)]