20130491920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3267937}}^1$

素因数の和:3267968

約数の個数: 80

約数和(自身を含む): 58352300928

約数和(自身を除く): 38221809008

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 3267937, 6535874, 13071748, 16339685, 22875559, 26143496, 32679370, 35947307, 45751118, 52286992, 65358740, 71894614, 91502236, 114377795, 130717480, 143789228, 179736535, 183004472, 228755590, 251631149, 261434960, 287578456, 359473070, 366008944, 457511180, 503262298, 575156912, 718946140, 915022360, 1006524596, 1258155745, 1437892280, 1830044720, 2013049192, 2516311490, 2875784560, 4026098384, 5032622980, 10065245960, 20130491920]

約数ペア:

[(1, 20130491920), (2, 10065245960), (4, 5032622980), (5, 4026098384), (7, 2875784560), (8, 2516311490), (10, 2013049192), (11, 1830044720), (14, 1437892280), (16, 1258155745), (20, 1006524596), (22, 915022360), (28, 718946140), (35, 575156912), (40, 503262298), (44, 457511180), (55, 366008944), (56, 359473070), (70, 287578456), (77, 261434960), (80, 251631149), (88, 228755590), (110, 183004472), (112, 179736535), (140, 143789228), (154, 130717480), (176, 114377795), (220, 91502236), (280, 71894614), (308, 65358740), (385, 52286992), (440, 45751118), (560, 35947307), (616, 32679370), (770, 26143496), (880, 22875559), (1232, 16339685), (1540, 13071748), (3080, 6535874), (6160, 3267937)]