20305242

素因数分解:

$2^1\times 3^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 80

約数和(自身を含む): 49318632

約数和(自身を除く): 29013390

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 54, 73, 81, 101, 102, 146, 153, 162, 202, 219, 303, 306, 438, 459, 606, 657, 909, 918, 1241, 1314, 1377, 1717, 1818, 1971, 2482, 2727, 2754, 3434, 3723, 3942, 5151, 5454, 5913, 7373, 7446, 8181, 10302, 11169, 11826, 14746, 15453, 16362, 22119, 22338, 30906, 33507, 44238, 46359, 66357, 67014, 92718, 100521, 125341, 132714, 139077, 199071, 201042, 250682, 278154, 376023, 398142, 597213, 752046, 1128069, 1194426, 2256138, 3384207, 6768414, 10152621, 20305242]

約数ペア:

[(1, 20305242), (2, 10152621), (3, 6768414), (6, 3384207), (9, 2256138), (17, 1194426), (18, 1128069), (27, 752046), (34, 597213), (51, 398142), (54, 376023), (73, 278154), (81, 250682), (101, 201042), (102, 199071), (146, 139077), (153, 132714), (162, 125341), (202, 100521), (219, 92718), (303, 67014), (306, 66357), (438, 46359), (459, 44238), (606, 33507), (657, 30906), (909, 22338), (918, 22119), (1241, 16362), (1314, 15453), (1377, 14746), (1717, 11826), (1818, 11169), (1971, 10302), (2482, 8181), (2727, 7446), (2754, 7373), (3434, 5913), (3723, 5454), (3942, 5151)]