20830644

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 56471688

約数和(自身を除く): 35641044

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 101, 102, 153, 202, 204, 303, 306, 337, 404, 606, 612, 674, 909, 1011, 1212, 1348, 1717, 1818, 2022, 3033, 3434, 3636, 4044, 5151, 5729, 6066, 6868, 10302, 11458, 12132, 15453, 17187, 20604, 22916, 30906, 34037, 34374, 51561, 61812, 68074, 68748, 102111, 103122, 136148, 204222, 206244, 306333, 408444, 578629, 612666, 1157258, 1225332, 1735887, 2314516, 3471774, 5207661, 6943548, 10415322, 20830644]

約数ペア:

[(1, 20830644), (2, 10415322), (3, 6943548), (4, 5207661), (6, 3471774), (9, 2314516), (12, 1735887), (17, 1225332), (18, 1157258), (34, 612666), (36, 578629), (51, 408444), (68, 306333), (101, 206244), (102, 204222), (153, 136148), (202, 103122), (204, 102111), (303, 68748), (306, 68074), (337, 61812), (404, 51561), (606, 34374), (612, 34037), (674, 30906), (909, 22916), (1011, 20604), (1212, 17187), (1348, 15453), (1717, 12132), (1818, 11458), (2022, 10302), (3033, 6868), (3434, 6066), (3636, 5729), (4044, 5151)]