20993364

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{3967}}^1$

素因数の和:3994

約数の個数: 72

約数和(自身を含む): 63329280

約数和(自身を除く): 42335916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 3967, 5292, 7934, 11901, 15868, 23802, 27769, 35703, 47604, 55538, 71406, 83307, 107109, 111076, 142812, 166614, 194383, 214218, 249921, 333228, 388766, 428436, 499842, 583149, 749763, 777532, 999684, 1166298, 1499526, 1749447, 2332596, 2999052, 3498894, 5248341, 6997788, 10496682, 20993364]

約数ペア:

[(1, 20993364), (2, 10496682), (3, 6997788), (4, 5248341), (6, 3498894), (7, 2999052), (9, 2332596), (12, 1749447), (14, 1499526), (18, 1166298), (21, 999684), (27, 777532), (28, 749763), (36, 583149), (42, 499842), (49, 428436), (54, 388766), (63, 333228), (84, 249921), (98, 214218), (108, 194383), (126, 166614), (147, 142812), (189, 111076), (196, 107109), (252, 83307), (294, 71406), (378, 55538), (441, 47604), (588, 35703), (756, 27769), (882, 23802), (1323, 15868), (1764, 11901), (2646, 7934), (3967, 5292)]