20892438

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2909}}^1$

素因数の和:2946

約数の個数: 64

約数和(自身を含む): 55872000

約数和(自身を除く): 34979562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 2909, 3591, 5818, 7182, 8727, 17454, 20363, 26181, 40726, 52362, 55271, 61089, 78543, 110542, 122178, 157086, 165813, 183267, 331626, 366534, 386897, 497439, 549801, 773794, 994878, 1099602, 1160691, 1492317, 2321382, 2984634, 3482073, 6964146, 10446219, 20892438]

約数ペア:

[(1, 20892438), (2, 10446219), (3, 6964146), (6, 3482073), (7, 2984634), (9, 2321382), (14, 1492317), (18, 1160691), (19, 1099602), (21, 994878), (27, 773794), (38, 549801), (42, 497439), (54, 386897), (57, 366534), (63, 331626), (114, 183267), (126, 165813), (133, 157086), (171, 122178), (189, 110542), (266, 78543), (342, 61089), (378, 55271), (399, 52362), (513, 40726), (798, 26181), (1026, 20363), (1197, 17454), (2394, 8727), (2909, 7182), (3591, 5818)]