20200716

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 55071744

約数和(自身を除く): 34871028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 787, 828, 1116, 1426, 1574, 2139, 2361, 2852, 3148, 4278, 4722, 6417, 7083, 8556, 9444, 12834, 14166, 18101, 24397, 25668, 28332, 36202, 48794, 54303, 72404, 73191, 97588, 108606, 146382, 162909, 217212, 219573, 292764, 325818, 439146, 561131, 651636, 878292, 1122262, 1683393, 2244524, 3366786, 5050179, 6733572, 10100358, 20200716]

約数ペア:

[(1, 20200716), (2, 10100358), (3, 6733572), (4, 5050179), (6, 3366786), (9, 2244524), (12, 1683393), (18, 1122262), (23, 878292), (31, 651636), (36, 561131), (46, 439146), (62, 325818), (69, 292764), (92, 219573), (93, 217212), (124, 162909), (138, 146382), (186, 108606), (207, 97588), (276, 73191), (279, 72404), (372, 54303), (414, 48794), (558, 36202), (713, 28332), (787, 25668), (828, 24397), (1116, 18101), (1426, 14166), (1574, 12834), (2139, 9444), (2361, 8556), (2852, 7083), (3148, 6417), (4278, 4722)]