20886648

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{547}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 54975360

約数和(自身を除く): 34088712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 296, 344, 444, 516, 547, 888, 1032, 1094, 1591, 1641, 2188, 3182, 3282, 4376, 4773, 6364, 6564, 9546, 12728, 13128, 19092, 20239, 23521, 38184, 40478, 47042, 60717, 70563, 80956, 94084, 121434, 141126, 161912, 188168, 242868, 282252, 485736, 564504, 870277, 1740554, 2610831, 3481108, 5221662, 6962216, 10443324, 20886648]

約数ペア:

[(1, 20886648), (2, 10443324), (3, 6962216), (4, 5221662), (6, 3481108), (8, 2610831), (12, 1740554), (24, 870277), (37, 564504), (43, 485736), (74, 282252), (86, 242868), (111, 188168), (129, 161912), (148, 141126), (172, 121434), (222, 94084), (258, 80956), (296, 70563), (344, 60717), (444, 47042), (516, 40478), (547, 38184), (888, 23521), (1032, 20239), (1094, 19092), (1591, 13128), (1641, 12728), (2188, 9546), (3182, 6564), (3282, 6364), (4376, 4773)]