20132780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52981}}^1$

素因数の和:53009

約数の個数: 24

約数和(自身を含む): 44504880

約数和(自身を除く): 24372100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52981, 105962, 211924, 264905, 529810, 1006639, 1059620, 2013278, 4026556, 5033195, 10066390, 20132780]

約数ペア:

[(1, 20132780), (2, 10066390), (4, 5033195), (5, 4026556), (10, 2013278), (19, 1059620), (20, 1006639), (38, 529810), (76, 264905), (95, 211924), (190, 105962), (380, 52981)]