20305839213

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:489

約数の個数: 120

約数和(自身を含む): 34254529848

約数和(自身を除く): 13948690635

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 101, 121, 219, 281, 297, 303, 363, 657, 803, 843, 891, 909, 1089, 1111, 1971, 2409, 2529, 2727, 3091, 3267, 3333, 5913, 7227, 7373, 7587, 8181, 8833, 9273, 9801, 9999, 12221, 20513, 21681, 22119, 22761, 26499, 27819, 28381, 29997, 34001, 36663, 61539, 65043, 66357, 79497, 81103, 83457, 85143, 89991, 102003, 109989, 184617, 199071, 225643, 238491, 243309, 250371, 255429, 306009, 312191, 329967, 553851, 597213, 676929, 715473, 729927, 766287, 892133, 918027, 936573, 989901, 1661553, 2030787, 2071813, 2189781, 2298861, 2482073, 2676399, 2754081, 2809719, 3434101, 6092361, 6215439, 6569343, 7446219, 8029197, 8429157, 10302303, 18277083, 18646317, 22338657, 22789943, 24087591, 25287471, 30906909, 55938951, 67015971, 68369829, 72262773, 92720727, 167816853, 201047913, 205109487, 250689373, 278162181, 615328461, 752068119, 1845985383, 2256204357, 6768613071, 20305839213]

約数ペア:

[(1, 20305839213), (3, 6768613071), (9, 2256204357), (11, 1845985383), (27, 752068119), (33, 615328461), (73, 278162181), (81, 250689373), (99, 205109487), (101, 201047913), (121, 167816853), (219, 92720727), (281, 72262773), (297, 68369829), (303, 67015971), (363, 55938951), (657, 30906909), (803, 25287471), (843, 24087591), (891, 22789943), (909, 22338657), (1089, 18646317), (1111, 18277083), (1971, 10302303), (2409, 8429157), (2529, 8029197), (2727, 7446219), (3091, 6569343), (3267, 6215439), (3333, 6092361), (5913, 3434101), (7227, 2809719), (7373, 2754081), (7587, 2676399), (8181, 2482073), (8833, 2298861), (9273, 2189781), (9801, 2071813), (9999, 2030787), (12221, 1661553), (20513, 989901), (21681, 936573), (22119, 918027), (22761, 892133), (26499, 766287), (27819, 729927), (28381, 715473), (29997, 676929), (34001, 597213), (36663, 553851), (61539, 329967), (65043, 312191), (66357, 306009), (79497, 255429), (81103, 250371), (83457, 243309), (85143, 238491), (89991, 225643), (102003, 199071), (109989, 184617)]