20858600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 56782080

約数和(自身を除く): 35923480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 47, 50, 56, 70, 94, 100, 140, 175, 188, 200, 235, 280, 317, 329, 350, 376, 470, 634, 658, 700, 940, 1175, 1268, 1316, 1400, 1585, 1645, 1880, 2219, 2350, 2536, 2632, 3170, 3290, 4438, 4700, 6340, 6580, 7925, 8225, 8876, 9400, 11095, 12680, 13160, 14899, 15850, 16450, 17752, 22190, 29798, 31700, 32900, 44380, 55475, 59596, 63400, 65800, 74495, 88760, 104293, 110950, 119192, 148990, 208586, 221900, 297980, 372475, 417172, 443800, 521465, 595960, 744950, 834344, 1042930, 1489900, 2085860, 2607325, 2979800, 4171720, 5214650, 10429300, 20858600]

約数ペア:

[(1, 20858600), (2, 10429300), (4, 5214650), (5, 4171720), (7, 2979800), (8, 2607325), (10, 2085860), (14, 1489900), (20, 1042930), (25, 834344), (28, 744950), (35, 595960), (40, 521465), (47, 443800), (50, 417172), (56, 372475), (70, 297980), (94, 221900), (100, 208586), (140, 148990), (175, 119192), (188, 110950), (200, 104293), (235, 88760), (280, 74495), (317, 65800), (329, 63400), (350, 59596), (376, 55475), (470, 44380), (634, 32900), (658, 31700), (700, 29798), (940, 22190), (1175, 17752), (1268, 16450), (1316, 15850), (1400, 14899), (1585, 13160), (1645, 12680), (1880, 11095), (2219, 9400), (2350, 8876), (2536, 8225), (2632, 7925), (3170, 6580), (3290, 6340), (4438, 4700)]