20202280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3137}}^1$

素因数の和:3178

約数の個数: 64

約数和(自身を含む): 54224640

約数和(自身を除く): 34022360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3137, 3220, 6274, 6440, 12548, 15685, 21959, 25096, 31370, 43918, 62740, 72151, 87836, 109795, 125480, 144302, 175672, 219590, 288604, 360755, 439180, 505057, 577208, 721510, 878360, 1010114, 1443020, 2020228, 2525285, 2886040, 4040456, 5050570, 10101140, 20202280]

約数ペア:

[(1, 20202280), (2, 10101140), (4, 5050570), (5, 4040456), (7, 2886040), (8, 2525285), (10, 2020228), (14, 1443020), (20, 1010114), (23, 878360), (28, 721510), (35, 577208), (40, 505057), (46, 439180), (56, 360755), (70, 288604), (92, 219590), (115, 175672), (140, 144302), (161, 125480), (184, 109795), (230, 87836), (280, 72151), (322, 62740), (460, 43918), (644, 31370), (805, 25096), (920, 21959), (1288, 15685), (1610, 12548), (3137, 6440), (3220, 6274)]