20289284

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{50221}}^1$

素因数の和:50326

約数の個数: 12

約数和(自身を含む): 35858508

約数和(自身を除く): 15569224

約数列:

[1, 2, 4, 101, 202, 404, 50221, 100442, 200884, 5072321, 10144642, 20289284]

約数ペア:

[(1, 20289284), (2, 10144642), (4, 5072321), (101, 200884), (202, 100442), (404, 50221)]