20071120

素因数分解:

$2^4\times 5^1\times {\mathrm{250889}}^1$

素因数の和:250902

約数の個数: 20

約数和(自身を含む): 46665540

約数和(自身を除く): 26594420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 250889, 501778, 1003556, 1254445, 2007112, 2508890, 4014224, 5017780, 10035560, 20071120]

約数ペア:

[(1, 20071120), (2, 10035560), (4, 5017780), (5, 4014224), (8, 2508890), (10, 2007112), (16, 1254445), (20, 1003556), (40, 501778), (80, 250889)]