20168208

素因数分解:

$2^4\times 3^2\times {\mathrm{140057}}^1$

素因数の和:140071

約数の個数: 30

約数和(自身を含む): 56443374

約数和(自身を除く): 36275166

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140057, 280114, 420171, 560228, 840342, 1120456, 1260513, 1680684, 2240912, 2521026, 3361368, 5042052, 6722736, 10084104, 20168208]

約数ペア:

[(1, 20168208), (2, 10084104), (3, 6722736), (4, 5042052), (6, 3361368), (8, 2521026), (9, 2240912), (12, 1680684), (16, 1260513), (18, 1120456), (24, 840342), (36, 560228), (48, 420171), (72, 280114), (144, 140057)]