20524180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{54011}}^1$

素因数の和:54039

約数の個数: 24

約数和(自身を含む): 45370080

約数和(自身を除く): 24845900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 54011, 108022, 216044, 270055, 540110, 1026209, 1080220, 2052418, 4104836, 5131045, 10262090, 20524180]

約数ペア:

[(1, 20524180), (2, 10262090), (4, 5131045), (5, 4104836), (10, 2052418), (19, 1080220), (20, 1026209), (38, 540110), (76, 270055), (95, 216044), (190, 108022), (380, 54011)]