20165820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7151}}^1$

素因数の和:7210

約数の個数: 48

約数和(自身を含む): 57673728

約数和(自身を除く): 37507908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7151, 14302, 21453, 28604, 35755, 42906, 71510, 85812, 107265, 143020, 214530, 336097, 429060, 672194, 1008291, 1344388, 1680485, 2016582, 3360970, 4033164, 5041455, 6721940, 10082910, 20165820]

約数ペア:

[(1, 20165820), (2, 10082910), (3, 6721940), (4, 5041455), (5, 4033164), (6, 3360970), (10, 2016582), (12, 1680485), (15, 1344388), (20, 1008291), (30, 672194), (47, 429060), (60, 336097), (94, 214530), (141, 143020), (188, 107265), (235, 85812), (282, 71510), (470, 42906), (564, 35755), (705, 28604), (940, 21453), (1410, 14302), (2820, 7151)]