201122020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{914191}}^1$

素因数の和:914211

約数の個数: 24

約数和(自身を含む): 460752768

約数和(自身を除く): 259630748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 914191, 1828382, 3656764, 4570955, 9141910, 10056101, 18283820, 20112202, 40224404, 50280505, 100561010, 201122020]

約数ペア:

[(1, 201122020), (2, 100561010), (4, 50280505), (5, 40224404), (10, 20112202), (11, 18283820), (20, 10056101), (22, 9141910), (44, 4570955), (55, 3656764), (110, 1828382), (220, 914191)]