20308878

素因数分解:

$2^1\times 3^2\times {\mathrm{101}}^1\times {\mathrm{11171}}^1$

素因数の和:11280

約数の個数: 24

約数和(自身を含む): 44442216

約数和(自身を除く): 24133338

約数列:

[1, 2, 3, 6, 9, 18, 101, 202, 303, 606, 909, 1818, 11171, 22342, 33513, 67026, 100539, 201078, 1128271, 2256542, 3384813, 6769626, 10154439, 20308878]

約数ペア:

[(1, 20308878), (2, 10154439), (3, 6769626), (6, 3384813), (9, 2256542), (18, 1128271), (101, 201078), (202, 100539), (303, 67026), (606, 33513), (909, 22342), (1818, 11171)]