20410047

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:125

約数の個数: 72

約数和(自身を含む): 38313600

約数和(自身を除く): 17903553

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 59, 63, 119, 133, 153, 171, 177, 289, 323, 357, 399, 413, 531, 867, 969, 1003, 1071, 1121, 1197, 1239, 2023, 2261, 2601, 2907, 3009, 3363, 3717, 5491, 6069, 6783, 7021, 7847, 9027, 10089, 16473, 17051, 18207, 19057, 20349, 21063, 23541, 38437, 49419, 51153, 57171, 63189, 70623, 115311, 119357, 133399, 153459, 171513, 323969, 345933, 358071, 400197, 971907, 1074213, 1200591, 2267783, 2915721, 6803349, 20410047]

約数ペア:

[(1, 20410047), (3, 6803349), (7, 2915721), (9, 2267783), (17, 1200591), (19, 1074213), (21, 971907), (51, 400197), (57, 358071), (59, 345933), (63, 323969), (119, 171513), (133, 153459), (153, 133399), (171, 119357), (177, 115311), (289, 70623), (323, 63189), (357, 57171), (399, 51153), (413, 49419), (531, 38437), (867, 23541), (969, 21063), (1003, 20349), (1071, 19057), (1121, 18207), (1197, 17051), (1239, 16473), (2023, 10089), (2261, 9027), (2601, 7847), (2907, 7021), (3009, 6783), (3363, 6069), (3717, 5491)]