20176024988

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{88817}}^1$

素因数の和:88915

約数の個数: 72

約数和(自身を含む): 43943593680

約数和(自身を除く): 23767568692

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 61, 76, 98, 122, 133, 196, 244, 266, 427, 532, 854, 931, 1159, 1708, 1862, 2318, 2989, 3724, 4636, 5978, 8113, 11956, 16226, 32452, 56791, 88817, 113582, 177634, 227164, 355268, 621719, 1243438, 1687523, 2486876, 3375046, 4352033, 5417837, 6750092, 8704066, 10835674, 11812661, 17408132, 21671348, 23625322, 37924859, 47250644, 75849718, 82688627, 102938903, 151699436, 165377254, 205877806, 265474013, 330754508, 411755612, 530948026, 720572321, 1061896052, 1441144642, 2882289284, 5044006247, 10088012494, 20176024988]

約数ペア:

[(1, 20176024988), (2, 10088012494), (4, 5044006247), (7, 2882289284), (14, 1441144642), (19, 1061896052), (28, 720572321), (38, 530948026), (49, 411755612), (61, 330754508), (76, 265474013), (98, 205877806), (122, 165377254), (133, 151699436), (196, 102938903), (244, 82688627), (266, 75849718), (427, 47250644), (532, 37924859), (854, 23625322), (931, 21671348), (1159, 17408132), (1708, 11812661), (1862, 10835674), (2318, 8704066), (2989, 6750092), (3724, 5417837), (4636, 4352033), (5978, 3375046), (8113, 2486876), (11956, 1687523), (16226, 1243438), (32452, 621719), (56791, 355268), (88817, 227164), (113582, 177634)]