20152780

素因数分解:

$2^2\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1201}}^1$

素因数の和:2049

約数の個数: 24

約数和(自身を含む): 42406560

約数和(自身を除く): 22253780

約数列:

[1, 2, 4, 5, 10, 20, 839, 1201, 1678, 2402, 3356, 4195, 4804, 6005, 8390, 12010, 16780, 24020, 1007639, 2015278, 4030556, 5038195, 10076390, 20152780]

約数ペア:

[(1, 20152780), (2, 10076390), (4, 5038195), (5, 4030556), (10, 2015278), (20, 1007639), (839, 24020), (1201, 16780), (1678, 12010), (2402, 8390), (3356, 6005), (4195, 4804)]