20688426

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1201}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 51926400

約数和(自身を除く): 31237974

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 54, 58, 66, 87, 99, 174, 198, 261, 297, 319, 522, 594, 638, 783, 957, 1201, 1566, 1914, 2402, 2871, 3603, 5742, 7206, 8613, 10809, 13211, 17226, 21618, 26422, 32427, 34829, 39633, 64854, 69658, 79266, 104487, 118899, 208974, 237798, 313461, 356697, 383119, 626922, 713394, 766238, 940383, 1149357, 1880766, 2298714, 3448071, 6896142, 10344213, 20688426]

約数ペア:

[(1, 20688426), (2, 10344213), (3, 6896142), (6, 3448071), (9, 2298714), (11, 1880766), (18, 1149357), (22, 940383), (27, 766238), (29, 713394), (33, 626922), (54, 383119), (58, 356697), (66, 313461), (87, 237798), (99, 208974), (174, 118899), (198, 104487), (261, 79266), (297, 69658), (319, 64854), (522, 39633), (594, 34829), (638, 32427), (783, 26422), (957, 21618), (1201, 17226), (1566, 13211), (1914, 10809), (2402, 8613), (2871, 7206), (3603, 5742)]