20217367506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{684731}}^1$

素因数の和:684799

約数の個数: 64

約数和(自身を含む): 49958046720

約数和(自身を除く): 29740679214

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 57, 74, 111, 114, 133, 222, 259, 266, 399, 518, 703, 777, 798, 1406, 1554, 2109, 4218, 4921, 9842, 14763, 29526, 684731, 1369462, 2054193, 4108386, 4793117, 9586234, 13009889, 14379351, 25335047, 26019778, 28758702, 39029667, 50670094, 76005141, 78059334, 91069223, 152010282, 177345329, 182138446, 273207669, 354690658, 481365893, 532035987, 546415338, 962731786, 1064071974, 1444097679, 2888195358, 3369561251, 6739122502, 10108683753, 20217367506]

約数ペア:

[(1, 20217367506), (2, 10108683753), (3, 6739122502), (6, 3369561251), (7, 2888195358), (14, 1444097679), (19, 1064071974), (21, 962731786), (37, 546415338), (38, 532035987), (42, 481365893), (57, 354690658), (74, 273207669), (111, 182138446), (114, 177345329), (133, 152010282), (222, 91069223), (259, 78059334), (266, 76005141), (399, 50670094), (518, 39029667), (703, 28758702), (777, 26019778), (798, 25335047), (1406, 14379351), (1554, 13009889), (2109, 9586234), (4218, 4793117), (4921, 4108386), (9842, 2054193), (14763, 1369462), (29526, 684731)]