20287470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 58326048

約数和(自身を除く): 38038578

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 49, 70, 74, 98, 105, 111, 147, 185, 210, 222, 245, 259, 294, 370, 373, 490, 518, 555, 735, 746, 777, 1110, 1119, 1295, 1470, 1554, 1813, 1865, 2238, 2590, 2611, 3626, 3730, 3885, 5222, 5439, 5595, 7770, 7833, 9065, 10878, 11190, 13055, 13801, 15666, 18130, 18277, 26110, 27195, 27602, 36554, 39165, 41403, 54390, 54831, 69005, 78330, 82806, 91385, 96607, 109662, 138010, 182770, 193214, 207015, 274155, 289821, 414030, 483035, 548310, 579642, 676249, 966070, 1352498, 1449105, 2028747, 2898210, 3381245, 4057494, 6762490, 10143735, 20287470]

約数ペア:

[(1, 20287470), (2, 10143735), (3, 6762490), (5, 4057494), (6, 3381245), (7, 2898210), (10, 2028747), (14, 1449105), (15, 1352498), (21, 966070), (30, 676249), (35, 579642), (37, 548310), (42, 483035), (49, 414030), (70, 289821), (74, 274155), (98, 207015), (105, 193214), (111, 182770), (147, 138010), (185, 109662), (210, 96607), (222, 91385), (245, 82806), (259, 78330), (294, 69005), (370, 54831), (373, 54390), (490, 41403), (518, 39165), (555, 36554), (735, 27602), (746, 27195), (777, 26110), (1110, 18277), (1119, 18130), (1295, 15666), (1470, 13801), (1554, 13055), (1813, 11190), (1865, 10878), (2238, 9065), (2590, 7833), (2611, 7770), (3626, 5595), (3730, 5439), (3885, 5222)]