20724392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{1973}}^1$

素因数の和:2093

約数の個数: 32

約数和(自身を含む): 42283080

約数和(自身を除く): 21558688

約数列:

[1, 2, 4, 8, 13, 26, 52, 101, 104, 202, 404, 808, 1313, 1973, 2626, 3946, 5252, 7892, 10504, 15784, 25649, 51298, 102596, 199273, 205192, 398546, 797092, 1594184, 2590549, 5181098, 10362196, 20724392]

約数ペア:

[(1, 20724392), (2, 10362196), (4, 5181098), (8, 2590549), (13, 1594184), (26, 797092), (52, 398546), (101, 205192), (104, 199273), (202, 102596), (404, 51298), (808, 25649), (1313, 15784), (1973, 10504), (2626, 7892), (3946, 5252)]