20850732

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:967

約数の個数: 72

約数和(自身を含む): 60927776

約数和(自身を除く): 40077044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 853, 873, 1164, 1358, 1706, 1746, 2037, 2559, 2716, 3412, 3492, 4074, 5118, 5971, 6111, 7677, 8148, 10236, 11942, 12222, 15354, 17913, 23884, 24444, 30708, 35826, 53739, 71652, 82741, 107478, 165482, 214956, 248223, 330964, 496446, 579187, 744669, 992892, 1158374, 1489338, 1737561, 2316748, 2978676, 3475122, 5212683, 6950244, 10425366, 20850732]

約数ペア:

[(1, 20850732), (2, 10425366), (3, 6950244), (4, 5212683), (6, 3475122), (7, 2978676), (9, 2316748), (12, 1737561), (14, 1489338), (18, 1158374), (21, 992892), (28, 744669), (36, 579187), (42, 496446), (63, 330964), (84, 248223), (97, 214956), (126, 165482), (194, 107478), (252, 82741), (291, 71652), (388, 53739), (582, 35826), (679, 30708), (853, 24444), (873, 23884), (1164, 17913), (1358, 15354), (1706, 12222), (1746, 11942), (2037, 10236), (2559, 8148), (2716, 7677), (3412, 6111), (3492, 5971), (4074, 5118)]