20864576

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 56

約数和(自身を含む): 44476416

約数和(自身を除く): 23611840

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 127, 136, 151, 254, 272, 302, 508, 544, 604, 1016, 1088, 1208, 2032, 2159, 2416, 2567, 4064, 4318, 4832, 5134, 8128, 8636, 9664, 10268, 17272, 19177, 20536, 34544, 38354, 41072, 69088, 76708, 82144, 138176, 153416, 164288, 306832, 326009, 613664, 652018, 1227328, 1304036, 2608072, 5216144, 10432288, 20864576]

約数ペア:

[(1, 20864576), (2, 10432288), (4, 5216144), (8, 2608072), (16, 1304036), (17, 1227328), (32, 652018), (34, 613664), (64, 326009), (68, 306832), (127, 164288), (136, 153416), (151, 138176), (254, 82144), (272, 76708), (302, 69088), (508, 41072), (544, 38354), (604, 34544), (1016, 20536), (1088, 19177), (1208, 17272), (2032, 10268), (2159, 9664), (2416, 8636), (2567, 8128), (4064, 5134), (4318, 4832)]