20668284

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:737

約数の個数: 120

約数和(自身を含む): 66594528

約数和(自身を除く): 45926244

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 252, 273, 324, 351, 364, 378, 468, 546, 567, 701, 702, 756, 819, 1053, 1092, 1134, 1402, 1404, 1638, 2103, 2106, 2268, 2457, 2804, 3276, 4206, 4212, 4907, 4914, 6309, 7371, 8412, 9113, 9814, 9828, 12618, 14721, 14742, 18226, 18927, 19628, 25236, 27339, 29442, 29484, 36452, 37854, 44163, 54678, 56781, 58884, 63791, 75708, 82017, 88326, 109356, 113562, 127582, 132489, 164034, 176652, 191373, 227124, 246051, 255164, 264978, 328068, 382746, 397467, 492102, 529956, 574119, 738153, 765492, 794934, 984204, 1148238, 1476306, 1589868, 1722357, 2296476, 2952612, 3444714, 5167071, 6889428, 10334142, 20668284]

約数ペア:

[(1, 20668284), (2, 10334142), (3, 6889428), (4, 5167071), (6, 3444714), (7, 2952612), (9, 2296476), (12, 1722357), (13, 1589868), (14, 1476306), (18, 1148238), (21, 984204), (26, 794934), (27, 765492), (28, 738153), (36, 574119), (39, 529956), (42, 492102), (52, 397467), (54, 382746), (63, 328068), (78, 264978), (81, 255164), (84, 246051), (91, 227124), (108, 191373), (117, 176652), (126, 164034), (156, 132489), (162, 127582), (182, 113562), (189, 109356), (234, 88326), (252, 82017), (273, 75708), (324, 63791), (351, 58884), (364, 56781), (378, 54678), (468, 44163), (546, 37854), (567, 36452), (701, 29484), (702, 29442), (756, 27339), (819, 25236), (1053, 19628), (1092, 18927), (1134, 18226), (1402, 14742), (1404, 14721), (1638, 12618), (2103, 9828), (2106, 9814), (2268, 9113), (2457, 8412), (2804, 7371), (3276, 6309), (4206, 4914), (4212, 4907)]