20289168

素因数分解:

$2^4\times 3^2\times {\mathrm{140897}}^1$

素因数の和:140911

約数の個数: 30

約数和(自身を含む): 56781894

約数和(自身を除く): 36492726

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140897, 281794, 422691, 563588, 845382, 1127176, 1268073, 1690764, 2254352, 2536146, 3381528, 5072292, 6763056, 10144584, 20289168]

約数ペア:

[(1, 20289168), (2, 10144584), (3, 6763056), (4, 5072292), (6, 3381528), (8, 2536146), (9, 2254352), (12, 1690764), (16, 1268073), (18, 1127176), (24, 845382), (36, 563588), (48, 422691), (72, 281794), (144, 140897)]