20129711272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{599}}^1$

素因数の和:935

約数の個数: 128

約数和(自身を含む): 44064000000

約数和(自身を除く): 23934288728

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 101, 152, 199, 202, 209, 398, 404, 418, 599, 796, 808, 836, 1111, 1198, 1592, 1672, 1919, 2189, 2222, 2396, 3781, 3838, 4378, 4444, 4792, 6589, 7562, 7676, 8756, 8888, 11381, 13178, 15124, 15352, 17512, 20099, 21109, 22762, 26356, 30248, 40198, 41591, 42218, 45524, 52712, 60499, 80396, 83182, 84436, 91048, 119201, 120998, 125191, 160792, 166364, 168872, 221089, 238402, 241996, 250382, 332728, 381881, 442178, 476804, 483992, 500764, 665489, 763762, 884356, 953608, 1001528, 1149481, 1311211, 1330978, 1527524, 1768712, 2264819, 2298962, 2622422, 2661956, 3055048, 4200691, 4529638, 4597924, 5244844, 5323912, 8401382, 9059276, 9195848, 10489688, 12039301, 12644291, 16802764, 18118552, 24078602, 24913009, 25288582, 33605528, 48157204, 49826018, 50577164, 96314408, 99652036, 101154328, 132432311, 199304072, 228746719, 264864622, 457493438, 529729244, 914986876, 1059458488, 1829973752, 2516213909, 5032427818, 10064855636, 20129711272]

約数ペア:

[(1, 20129711272), (2, 10064855636), (4, 5032427818), (8, 2516213909), (11, 1829973752), (19, 1059458488), (22, 914986876), (38, 529729244), (44, 457493438), (76, 264864622), (88, 228746719), (101, 199304072), (152, 132432311), (199, 101154328), (202, 99652036), (209, 96314408), (398, 50577164), (404, 49826018), (418, 48157204), (599, 33605528), (796, 25288582), (808, 24913009), (836, 24078602), (1111, 18118552), (1198, 16802764), (1592, 12644291), (1672, 12039301), (1919, 10489688), (2189, 9195848), (2222, 9059276), (2396, 8401382), (3781, 5323912), (3838, 5244844), (4378, 4597924), (4444, 4529638), (4792, 4200691), (6589, 3055048), (7562, 2661956), (7676, 2622422), (8756, 2298962), (8888, 2264819), (11381, 1768712), (13178, 1527524), (15124, 1330978), (15352, 1311211), (17512, 1149481), (20099, 1001528), (21109, 953608), (22762, 884356), (26356, 763762), (30248, 665489), (40198, 500764), (41591, 483992), (42218, 476804), (45524, 442178), (52712, 381881), (60499, 332728), (80396, 250382), (83182, 241996), (84436, 238402), (91048, 221089), (119201, 168872), (120998, 166364), (125191, 160792)]