20221758

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 47880000

約数和(自身を除く): 27658242

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 37, 54, 58, 74, 87, 111, 174, 222, 261, 333, 349, 522, 666, 698, 783, 999, 1047, 1073, 1566, 1998, 2094, 2146, 3141, 3219, 6282, 6438, 9423, 9657, 10121, 12913, 18846, 19314, 20242, 25826, 28971, 30363, 38739, 57942, 60726, 77478, 91089, 116217, 182178, 232434, 273267, 348651, 374477, 546534, 697302, 748954, 1123431, 2246862, 3370293, 6740586, 10110879, 20221758]

約数ペア:

[(1, 20221758), (2, 10110879), (3, 6740586), (6, 3370293), (9, 2246862), (18, 1123431), (27, 748954), (29, 697302), (37, 546534), (54, 374477), (58, 348651), (74, 273267), (87, 232434), (111, 182178), (174, 116217), (222, 91089), (261, 77478), (333, 60726), (349, 57942), (522, 38739), (666, 30363), (698, 28971), (783, 25826), (999, 20242), (1047, 19314), (1073, 18846), (1566, 12913), (1998, 10121), (2094, 9657), (2146, 9423), (3141, 6438), (3219, 6282)]