20298480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1019}}^1$

素因数の和:1118

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 43447440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1019, 1245, 1328, 1660, 1992, 2038, 2490, 3057, 3320, 3984, 4076, 4980, 5095, 6114, 6640, 8152, 9960, 10190, 12228, 15285, 16304, 19920, 20380, 24456, 30570, 40760, 48912, 61140, 81520, 84577, 122280, 169154, 244560, 253731, 338308, 422885, 507462, 676616, 845770, 1014924, 1268655, 1353232, 1691540, 2029848, 2537310, 3383080, 4059696, 5074620, 6766160, 10149240, 20298480]

約数ペア:

[(1, 20298480), (2, 10149240), (3, 6766160), (4, 5074620), (5, 4059696), (6, 3383080), (8, 2537310), (10, 2029848), (12, 1691540), (15, 1353232), (16, 1268655), (20, 1014924), (24, 845770), (30, 676616), (40, 507462), (48, 422885), (60, 338308), (80, 253731), (83, 244560), (120, 169154), (166, 122280), (240, 84577), (249, 81520), (332, 61140), (415, 48912), (498, 40760), (664, 30570), (830, 24456), (996, 20380), (1019, 19920), (1245, 16304), (1328, 15285), (1660, 12228), (1992, 10190), (2038, 9960), (2490, 8152), (3057, 6640), (3320, 6114), (3984, 5095), (4076, 4980)]