20178329256

素因数分解:

$2^3\times 3^8\times {\mathrm{384437}}^1$

素因数の和:384467

約数の個数: 72

約数和(自身を含む): 56748815370

約数和(自身を除く): 36570486114

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2187, 2916, 4374, 5832, 6561, 8748, 13122, 17496, 26244, 52488, 384437, 768874, 1153311, 1537748, 2306622, 3075496, 3459933, 4613244, 6919866, 9226488, 10379799, 13839732, 20759598, 27679464, 31139397, 41519196, 62278794, 83038392, 93418191, 124557588, 186836382, 249115176, 280254573, 373672764, 560509146, 747345528, 840763719, 1121018292, 1681527438, 2242036584, 2522291157, 3363054876, 5044582314, 6726109752, 10089164628, 20178329256]

約数ペア:

[(1, 20178329256), (2, 10089164628), (3, 6726109752), (4, 5044582314), (6, 3363054876), (8, 2522291157), (9, 2242036584), (12, 1681527438), (18, 1121018292), (24, 840763719), (27, 747345528), (36, 560509146), (54, 373672764), (72, 280254573), (81, 249115176), (108, 186836382), (162, 124557588), (216, 93418191), (243, 83038392), (324, 62278794), (486, 41519196), (648, 31139397), (729, 27679464), (972, 20759598), (1458, 13839732), (1944, 10379799), (2187, 9226488), (2916, 6919866), (4374, 4613244), (5832, 3459933), (6561, 3075496), (8748, 2306622), (13122, 1537748), (17496, 1153311), (26244, 768874), (52488, 384437)]