20171091080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{447451}}^1$

素因数の和:447499

約数の個数: 96

約数和(自身を含む): 55090290240

約数和(自身を除く): 34919199160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 920, 980, 1127, 1288, 1610, 1960, 2254, 3220, 4508, 5635, 6440, 9016, 11270, 22540, 45080, 447451, 894902, 1789804, 2237255, 3132157, 3579608, 4474510, 6264314, 8949020, 10291373, 12528628, 15660785, 17898040, 20582746, 21925099, 25057256, 31321570, 41165492, 43850198, 51456865, 62643140, 72039611, 82330984, 87700396, 102913730, 109625495, 125286280, 144079222, 175400792, 205827460, 219250990, 288158444, 360198055, 411654920, 438501980, 504277277, 576316888, 720396110, 877003960, 1008554554, 1440792220, 2017109108, 2521386385, 2881584440, 4034218216, 5042772770, 10085545540, 20171091080]

約数ペア:

[(1, 20171091080), (2, 10085545540), (4, 5042772770), (5, 4034218216), (7, 2881584440), (8, 2521386385), (10, 2017109108), (14, 1440792220), (20, 1008554554), (23, 877003960), (28, 720396110), (35, 576316888), (40, 504277277), (46, 438501980), (49, 411654920), (56, 360198055), (70, 288158444), (92, 219250990), (98, 205827460), (115, 175400792), (140, 144079222), (161, 125286280), (184, 109625495), (196, 102913730), (230, 87700396), (245, 82330984), (280, 72039611), (322, 62643140), (392, 51456865), (460, 43850198), (490, 41165492), (644, 31321570), (805, 25057256), (920, 21925099), (980, 20582746), (1127, 17898040), (1288, 15660785), (1610, 12528628), (1960, 10291373), (2254, 8949020), (3220, 6264314), (4508, 4474510), (5635, 3579608), (6440, 3132157), (9016, 2237255), (11270, 1789804), (22540, 894902), (45080, 447451)]