20940444

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{1319}}^1$

素因数の和:1349

約数の個数: 90

約数和(自身を含む): 63728280

約数和(自身を除く): 42787836

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 252, 294, 324, 378, 441, 567, 588, 756, 882, 1134, 1319, 1323, 1764, 2268, 2638, 2646, 3957, 3969, 5276, 5292, 7914, 7938, 9233, 11871, 15828, 15876, 18466, 23742, 27699, 35613, 36932, 47484, 55398, 64631, 71226, 83097, 106839, 110796, 129262, 142452, 166194, 193893, 213678, 249291, 258524, 332388, 387786, 427356, 498582, 581679, 747873, 775572, 997164, 1163358, 1495746, 1745037, 2326716, 2991492, 3490074, 5235111, 6980148, 10470222, 20940444]

約数ペア:

[(1, 20940444), (2, 10470222), (3, 6980148), (4, 5235111), (6, 3490074), (7, 2991492), (9, 2326716), (12, 1745037), (14, 1495746), (18, 1163358), (21, 997164), (27, 775572), (28, 747873), (36, 581679), (42, 498582), (49, 427356), (54, 387786), (63, 332388), (81, 258524), (84, 249291), (98, 213678), (108, 193893), (126, 166194), (147, 142452), (162, 129262), (189, 110796), (196, 106839), (252, 83097), (294, 71226), (324, 64631), (378, 55398), (441, 47484), (567, 36932), (588, 35613), (756, 27699), (882, 23742), (1134, 18466), (1319, 15876), (1323, 15828), (1764, 11871), (2268, 9233), (2638, 7938), (2646, 7914), (3957, 5292), (3969, 5276)]