20658437982

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{7639}}^1$

素因数の和:7807

約数の個数: 144

約数和(自身を含む): 55835320320

約数和(自身を除く): 35176882338

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 127, 169, 182, 234, 254, 273, 338, 381, 507, 546, 762, 819, 889, 1014, 1143, 1183, 1521, 1638, 1651, 1778, 2286, 2366, 2667, 3042, 3302, 3549, 4953, 5334, 7098, 7639, 8001, 9906, 10647, 11557, 14859, 15278, 16002, 21294, 21463, 22917, 23114, 29718, 34671, 42926, 45834, 53473, 64389, 68751, 69342, 99307, 104013, 106946, 128778, 137502, 150241, 160419, 193167, 198614, 208026, 297921, 300482, 320838, 386334, 450723, 481257, 595842, 695149, 893763, 901446, 962514, 970153, 1290991, 1352169, 1390298, 1787526, 1940306, 2085447, 2581982, 2704338, 2910459, 3872973, 4170894, 5820918, 6256341, 6791071, 7745946, 8731377, 9036937, 11618919, 12512682, 12611989, 13582142, 17462754, 18073874, 20373213, 23237838, 25223978, 27110811, 37835967, 40746426, 54221622, 61119639, 75671934, 81332433, 88283923, 113507901, 122239278, 162664866, 163955857, 176567846, 227015802, 264851769, 327911714, 491867571, 529703538, 794555307, 983735142, 1147690999, 1475602713, 1589110614, 2295381998, 2951205426, 3443072997, 6886145994, 10329218991, 20658437982]

約数ペア:

[(1, 20658437982), (2, 10329218991), (3, 6886145994), (6, 3443072997), (7, 2951205426), (9, 2295381998), (13, 1589110614), (14, 1475602713), (18, 1147690999), (21, 983735142), (26, 794555307), (39, 529703538), (42, 491867571), (63, 327911714), (78, 264851769), (91, 227015802), (117, 176567846), (126, 163955857), (127, 162664866), (169, 122239278), (182, 113507901), (234, 88283923), (254, 81332433), (273, 75671934), (338, 61119639), (381, 54221622), (507, 40746426), (546, 37835967), (762, 27110811), (819, 25223978), (889, 23237838), (1014, 20373213), (1143, 18073874), (1183, 17462754), (1521, 13582142), (1638, 12611989), (1651, 12512682), (1778, 11618919), (2286, 9036937), (2366, 8731377), (2667, 7745946), (3042, 6791071), (3302, 6256341), (3549, 5820918), (4953, 4170894), (5334, 3872973), (7098, 2910459), (7639, 2704338), (8001, 2581982), (9906, 2085447), (10647, 1940306), (11557, 1787526), (14859, 1390298), (15278, 1352169), (16002, 1290991), (21294, 970153), (21463, 962514), (22917, 901446), (23114, 893763), (29718, 695149), (34671, 595842), (42926, 481257), (45834, 450723), (53473, 386334), (64389, 320838), (68751, 300482), (69342, 297921), (99307, 208026), (104013, 198614), (106946, 193167), (128778, 160419), (137502, 150241)]