20661732

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:107

約数の個数: 216

約数和(自身を含む): 70584696

約数和(自身を除く): 49922964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 28, 34, 36, 39, 42, 49, 51, 52, 53, 63, 68, 78, 84, 91, 98, 102, 106, 117, 119, 126, 147, 153, 156, 159, 182, 196, 204, 212, 221, 234, 238, 252, 273, 294, 306, 318, 357, 364, 371, 441, 442, 468, 476, 477, 546, 588, 612, 636, 637, 663, 689, 714, 742, 819, 833, 882, 884, 901, 954, 1071, 1092, 1113, 1274, 1326, 1378, 1428, 1484, 1547, 1638, 1666, 1764, 1802, 1908, 1911, 1989, 2067, 2142, 2226, 2499, 2548, 2597, 2652, 2703, 2756, 3094, 3276, 3332, 3339, 3604, 3822, 3978, 4134, 4284, 4452, 4641, 4823, 4998, 5194, 5406, 5733, 6188, 6201, 6307, 6678, 7497, 7644, 7791, 7956, 8109, 8268, 9282, 9646, 9996, 10388, 10812, 10829, 11466, 11713, 12402, 12614, 13356, 13923, 14469, 14994, 15582, 16218, 18564, 18921, 19292, 21658, 22932, 23373, 23426, 24804, 25228, 27846, 28938, 29988, 31164, 32436, 32487, 33761, 35139, 37842, 43316, 43407, 44149, 46746, 46852, 55692, 56763, 57876, 64974, 67522, 70278, 75684, 81991, 86814, 88298, 93492, 97461, 101283, 105417, 113526, 129948, 132447, 135044, 140556, 163982, 173628, 176596, 194922, 202566, 210834, 227052, 245973, 264894, 303849, 327964, 389844, 397341, 405132, 421668, 491946, 529788, 573937, 607698, 737919, 794682, 983892, 1147874, 1215396, 1475838, 1589364, 1721811, 2295748, 2951676, 3443622, 5165433, 6887244, 10330866, 20661732]

約数ペア:

[(1, 20661732), (2, 10330866), (3, 6887244), (4, 5165433), (6, 3443622), (7, 2951676), (9, 2295748), (12, 1721811), (13, 1589364), (14, 1475838), (17, 1215396), (18, 1147874), (21, 983892), (26, 794682), (28, 737919), (34, 607698), (36, 573937), (39, 529788), (42, 491946), (49, 421668), (51, 405132), (52, 397341), (53, 389844), (63, 327964), (68, 303849), (78, 264894), (84, 245973), (91, 227052), (98, 210834), (102, 202566), (106, 194922), (117, 176596), (119, 173628), (126, 163982), (147, 140556), (153, 135044), (156, 132447), (159, 129948), (182, 113526), (196, 105417), (204, 101283), (212, 97461), (221, 93492), (234, 88298), (238, 86814), (252, 81991), (273, 75684), (294, 70278), (306, 67522), (318, 64974), (357, 57876), (364, 56763), (371, 55692), (441, 46852), (442, 46746), (468, 44149), (476, 43407), (477, 43316), (546, 37842), (588, 35139), (612, 33761), (636, 32487), (637, 32436), (663, 31164), (689, 29988), (714, 28938), (742, 27846), (819, 25228), (833, 24804), (882, 23426), (884, 23373), (901, 22932), (954, 21658), (1071, 19292), (1092, 18921), (1113, 18564), (1274, 16218), (1326, 15582), (1378, 14994), (1428, 14469), (1484, 13923), (1547, 13356), (1638, 12614), (1666, 12402), (1764, 11713), (1802, 11466), (1908, 10829), (1911, 10812), (1989, 10388), (2067, 9996), (2142, 9646), (2226, 9282), (2499, 8268), (2548, 8109), (2597, 7956), (2652, 7791), (2703, 7644), (2756, 7497), (3094, 6678), (3276, 6307), (3332, 6201), (3339, 6188), (3604, 5733), (3822, 5406), (3978, 5194), (4134, 4998), (4284, 4823), (4452, 4641)]