20096805

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1487}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 34712064

約数和(自身を除く): 14615259

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 1487, 2703, 4461, 4505, 7435, 13515, 22305, 25279, 75837, 78811, 126395, 236433, 379185, 394055, 1182165, 1339787, 4019361, 6698935, 20096805]

約数ペア:

[(1, 20096805), (3, 6698935), (5, 4019361), (15, 1339787), (17, 1182165), (51, 394055), (53, 379185), (85, 236433), (159, 126395), (255, 78811), (265, 75837), (795, 25279), (901, 22305), (1487, 13515), (2703, 7435), (4461, 4505)]