20751258

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:411

約数の個数: 48

約数和(自身を含む): 46232928

約数和(自身を除く): 25481670

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 101, 121, 202, 242, 283, 303, 363, 566, 606, 726, 849, 1111, 1698, 2222, 3113, 3333, 6226, 6666, 9339, 12221, 18678, 24442, 28583, 34243, 36663, 57166, 68486, 73326, 85749, 102729, 171498, 205458, 314413, 628826, 943239, 1886478, 3458543, 6917086, 10375629, 20751258]

約数ペア:

[(1, 20751258), (2, 10375629), (3, 6917086), (6, 3458543), (11, 1886478), (22, 943239), (33, 628826), (66, 314413), (101, 205458), (121, 171498), (202, 102729), (242, 85749), (283, 73326), (303, 68486), (363, 57166), (566, 36663), (606, 34243), (726, 28583), (849, 24442), (1111, 18678), (1698, 12221), (2222, 9339), (3113, 6666), (3333, 6226)]