20099280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 63120960

約数和(自身を除く): 43021680

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, 1009, 1245, 1328, 1660, 1992, 2018, 2490, 3027, 3320, 3984, 4036, 4980, 5045, 6054, 6640, 8072, 9960, 10090, 12108, 15135, 16144, 19920, 20180, 24216, 30270, 40360, 48432, 60540, 80720, 83747, 121080, 167494, 242160, 251241, 334988, 418735, 502482, 669976, 837470, 1004964, 1256205, 1339952, 1674940, 2009928, 2512410, 3349880, 4019856, 5024820, 6699760, 10049640, 20099280]

約数ペア:

[(1, 20099280), (2, 10049640), (3, 6699760), (4, 5024820), (5, 4019856), (6, 3349880), (8, 2512410), (10, 2009928), (12, 1674940), (15, 1339952), (16, 1256205), (20, 1004964), (24, 837470), (30, 669976), (40, 502482), (48, 418735), (60, 334988), (80, 251241), (83, 242160), (120, 167494), (166, 121080), (240, 83747), (249, 80720), (332, 60540), (415, 48432), (498, 40360), (664, 30270), (830, 24216), (996, 20180), (1009, 19920), (1245, 16144), (1328, 15135), (1660, 12108), (1992, 10090), (2018, 9960), (2490, 8072), (3027, 6640), (3320, 6054), (3984, 5045), (4036, 4980)]