20204444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3847}}^1$

素因数の和:3965

約数の個数: 24

約数和(自身を含む): 38464608

約数和(自身を除く): 18260164

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 3847, 5252, 7694, 15388, 50011, 100022, 200044, 388547, 777094, 1554188, 5051111, 10102222, 20204444]

約数ペア:

[(1, 20204444), (2, 10102222), (4, 5051111), (13, 1554188), (26, 777094), (52, 388547), (101, 200044), (202, 100022), (404, 50011), (1313, 15388), (2626, 7694), (3847, 5252)]