20163949680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{91621}}^1$

素因数の和:91775

約数の個数: 160

約数和(自身を含む): 71984107008

約数和(自身を除く): 51820157328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 131, 140, 168, 210, 240, 262, 280, 336, 393, 420, 524, 560, 655, 786, 840, 917, 1048, 1310, 1572, 1680, 1834, 1965, 2096, 2620, 2751, 3144, 3668, 3930, 4585, 5240, 5502, 6288, 7336, 7860, 9170, 10480, 11004, 13755, 14672, 15720, 18340, 22008, 27510, 31440, 36680, 44016, 55020, 73360, 91621, 110040, 183242, 220080, 274863, 366484, 458105, 549726, 641347, 732968, 916210, 1099452, 1282694, 1374315, 1465936, 1832420, 1924041, 2198904, 2565388, 2748630, 3206735, 3664840, 3848082, 4397808, 5130776, 5497260, 6413470, 7329680, 7696164, 9620205, 10261552, 10994520, 12002351, 12826940, 15392328, 19240410, 21989040, 24004702, 25653880, 30784656, 36007053, 38480820, 48009404, 51307760, 60011755, 72014106, 76961640, 84016457, 96018808, 120023510, 144028212, 153923280, 168032914, 180035265, 192037616, 240047020, 252049371, 288056424, 336065828, 360070530, 420082285, 480094040, 504098742, 576112848, 672131656, 720141060, 840164570, 960188080, 1008197484, 1260246855, 1344263312, 1440282120, 1680329140, 2016394968, 2520493710, 2880564240, 3360658280, 4032789936, 5040987420, 6721316560, 10081974840, 20163949680]

約数ペア:

[(1, 20163949680), (2, 10081974840), (3, 6721316560), (4, 5040987420), (5, 4032789936), (6, 3360658280), (7, 2880564240), (8, 2520493710), (10, 2016394968), (12, 1680329140), (14, 1440282120), (15, 1344263312), (16, 1260246855), (20, 1008197484), (21, 960188080), (24, 840164570), (28, 720141060), (30, 672131656), (35, 576112848), (40, 504098742), (42, 480094040), (48, 420082285), (56, 360070530), (60, 336065828), (70, 288056424), (80, 252049371), (84, 240047020), (105, 192037616), (112, 180035265), (120, 168032914), (131, 153923280), (140, 144028212), (168, 120023510), (210, 96018808), (240, 84016457), (262, 76961640), (280, 72014106), (336, 60011755), (393, 51307760), (420, 48009404), (524, 38480820), (560, 36007053), (655, 30784656), (786, 25653880), (840, 24004702), (917, 21989040), (1048, 19240410), (1310, 15392328), (1572, 12826940), (1680, 12002351), (1834, 10994520), (1965, 10261552), (2096, 9620205), (2620, 7696164), (2751, 7329680), (3144, 6413470), (3668, 5497260), (3930, 5130776), (4585, 4397808), (5240, 3848082), (5502, 3664840), (6288, 3206735), (7336, 2748630), (7860, 2565388), (9170, 2198904), (10480, 1924041), (11004, 1832420), (13755, 1465936), (14672, 1374315), (15720, 1282694), (18340, 1099452), (22008, 916210), (27510, 732968), (31440, 641347), (36680, 549726), (44016, 458105), (55020, 366484), (73360, 274863), (91621, 220080), (110040, 183242)]