20751598

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:209

約数の個数: 48

約数和(自身を含む): 38208240

約数和(自身を除く): 17456642

約数列:

[1, 2, 7, 14, 37, 49, 59, 74, 97, 98, 118, 194, 259, 413, 518, 679, 826, 1358, 1813, 2183, 2891, 3589, 3626, 4366, 4753, 5723, 5782, 7178, 9506, 11446, 15281, 25123, 30562, 40061, 50246, 80122, 106967, 175861, 211751, 213934, 280427, 351722, 423502, 560854, 1482257, 2964514, 10375799, 20751598]

約数ペア:

[(1, 20751598), (2, 10375799), (7, 2964514), (14, 1482257), (37, 560854), (49, 423502), (59, 351722), (74, 280427), (97, 213934), (98, 211751), (118, 175861), (194, 106967), (259, 80122), (413, 50246), (518, 40061), (679, 30562), (826, 25123), (1358, 15281), (1813, 11446), (2183, 9506), (2891, 7178), (3589, 5782), (3626, 5723), (4366, 4753)]