20608080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5051}}^1$

素因数の和:5084

約数の個数: 80

約数和(自身を含む): 67656384

約数和(自身を除く): 47048304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 5051, 10102, 15153, 20204, 25255, 30306, 40408, 50510, 60612, 75765, 80816, 85867, 101020, 121224, 151530, 171734, 202040, 242448, 257601, 303060, 343468, 404080, 429335, 515202, 606120, 686936, 858670, 1030404, 1212240, 1288005, 1373872, 1717340, 2060808, 2576010, 3434680, 4121616, 5152020, 6869360, 10304040, 20608080]

約数ペア:

[(1, 20608080), (2, 10304040), (3, 6869360), (4, 5152020), (5, 4121616), (6, 3434680), (8, 2576010), (10, 2060808), (12, 1717340), (15, 1373872), (16, 1288005), (17, 1212240), (20, 1030404), (24, 858670), (30, 686936), (34, 606120), (40, 515202), (48, 429335), (51, 404080), (60, 343468), (68, 303060), (80, 257601), (85, 242448), (102, 202040), (120, 171734), (136, 151530), (170, 121224), (204, 101020), (240, 85867), (255, 80816), (272, 75765), (340, 60612), (408, 50510), (510, 40408), (680, 30306), (816, 25255), (1020, 20204), (1360, 15153), (2040, 10102), (4080, 5051)]