20685294

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 160

約数和(自身を含む): 59590080

約数和(自身を除く): 38904786

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 29, 34, 37, 42, 51, 54, 58, 63, 74, 81, 87, 102, 111, 119, 126, 153, 162, 174, 189, 203, 222, 238, 259, 261, 306, 333, 357, 378, 406, 459, 493, 518, 522, 567, 609, 629, 666, 714, 777, 783, 918, 986, 999, 1071, 1073, 1134, 1218, 1258, 1377, 1479, 1554, 1566, 1827, 1887, 1998, 2142, 2146, 2331, 2349, 2754, 2958, 2997, 3213, 3219, 3451, 3654, 3774, 4403, 4437, 4662, 4698, 5481, 5661, 5994, 6426, 6438, 6902, 6993, 7511, 8806, 8874, 9639, 9657, 10353, 10962, 11322, 13209, 13311, 13986, 15022, 16443, 16983, 18241, 19278, 19314, 20706, 20979, 22533, 26418, 26622, 28971, 31059, 32886, 33966, 36482, 39627, 39933, 41958, 45066, 50949, 54723, 57942, 62118, 67599, 79254, 79866, 86913, 93177, 101898, 109446, 118881, 127687, 135198, 164169, 173826, 186354, 202797, 237762, 255374, 279531, 328338, 356643, 383061, 405594, 492507, 559062, 608391, 713286, 766122, 985014, 1149183, 1216782, 1477521, 2298366, 2955042, 3447549, 6895098, 10342647, 20685294]

約数ペア:

[(1, 20685294), (2, 10342647), (3, 6895098), (6, 3447549), (7, 2955042), (9, 2298366), (14, 1477521), (17, 1216782), (18, 1149183), (21, 985014), (27, 766122), (29, 713286), (34, 608391), (37, 559062), (42, 492507), (51, 405594), (54, 383061), (58, 356643), (63, 328338), (74, 279531), (81, 255374), (87, 237762), (102, 202797), (111, 186354), (119, 173826), (126, 164169), (153, 135198), (162, 127687), (174, 118881), (189, 109446), (203, 101898), (222, 93177), (238, 86913), (259, 79866), (261, 79254), (306, 67599), (333, 62118), (357, 57942), (378, 54723), (406, 50949), (459, 45066), (493, 41958), (518, 39933), (522, 39627), (567, 36482), (609, 33966), (629, 32886), (666, 31059), (714, 28971), (777, 26622), (783, 26418), (918, 22533), (986, 20979), (999, 20706), (1071, 19314), (1073, 19278), (1134, 18241), (1218, 16983), (1258, 16443), (1377, 15022), (1479, 13986), (1554, 13311), (1566, 13209), (1827, 11322), (1887, 10962), (1998, 10353), (2142, 9657), (2146, 9639), (2331, 8874), (2349, 8806), (2754, 7511), (2958, 6993), (2997, 6902), (3213, 6438), (3219, 6426), (3451, 5994), (3654, 5661), (3774, 5481), (4403, 4698), (4437, 4662)]