20661498

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 55036800

約数和(自身を除く): 34375302

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 23, 26, 33, 39, 46, 66, 69, 78, 99, 117, 138, 143, 198, 207, 234, 253, 286, 299, 349, 414, 429, 506, 598, 698, 759, 858, 897, 1047, 1287, 1518, 1794, 2094, 2277, 2574, 2691, 3141, 3289, 3839, 4537, 4554, 5382, 6282, 6578, 7678, 8027, 9074, 9867, 11517, 13611, 16054, 19734, 23034, 24081, 27222, 29601, 34551, 40833, 48162, 49907, 59202, 69102, 72243, 81666, 88297, 99814, 104351, 144486, 149721, 176594, 208702, 264891, 299442, 313053, 449163, 529782, 626106, 794673, 898326, 939159, 1147861, 1589346, 1878318, 2295722, 3443583, 6887166, 10330749, 20661498]

約数ペア:

[(1, 20661498), (2, 10330749), (3, 6887166), (6, 3443583), (9, 2295722), (11, 1878318), (13, 1589346), (18, 1147861), (22, 939159), (23, 898326), (26, 794673), (33, 626106), (39, 529782), (46, 449163), (66, 313053), (69, 299442), (78, 264891), (99, 208702), (117, 176594), (138, 149721), (143, 144486), (198, 104351), (207, 99814), (234, 88297), (253, 81666), (286, 72243), (299, 69102), (349, 59202), (414, 49907), (429, 48162), (506, 40833), (598, 34551), (698, 29601), (759, 27222), (858, 24081), (897, 23034), (1047, 19734), (1287, 16054), (1518, 13611), (1794, 11517), (2094, 9867), (2277, 9074), (2574, 8027), (2691, 7678), (3141, 6578), (3289, 6282), (3839, 5382), (4537, 4554)]