20280856776

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{236771}}^1$

素因数の和:236906

約数の個数: 64

約数和(自身を含む): 52506558720

約数和(自身を除く): 32225701944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 83, 86, 129, 166, 172, 249, 258, 332, 344, 498, 516, 664, 996, 1032, 1992, 3569, 7138, 10707, 14276, 21414, 28552, 42828, 85656, 236771, 473542, 710313, 947084, 1420626, 1894168, 2841252, 5682504, 10181153, 19651993, 20362306, 30543459, 39303986, 40724612, 58955979, 61086918, 78607972, 81449224, 117911958, 122173836, 157215944, 235823916, 244347672, 471647832, 845035699, 1690071398, 2535107097, 3380142796, 5070214194, 6760285592, 10140428388, 20280856776]

約数ペア:

[(1, 20280856776), (2, 10140428388), (3, 6760285592), (4, 5070214194), (6, 3380142796), (8, 2535107097), (12, 1690071398), (24, 845035699), (43, 471647832), (83, 244347672), (86, 235823916), (129, 157215944), (166, 122173836), (172, 117911958), (249, 81449224), (258, 78607972), (332, 61086918), (344, 58955979), (498, 40724612), (516, 39303986), (664, 30543459), (996, 20362306), (1032, 19651993), (1992, 10181153), (3569, 5682504), (7138, 2841252), (10707, 1894168), (14276, 1420626), (21414, 947084), (28552, 710313), (42828, 473542), (85656, 236771)]