20104047

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 33359040

約数和(自身を除く): 13254993

約数列:

[1, 3, 9, 17, 23, 29, 51, 69, 87, 153, 197, 207, 261, 391, 493, 591, 667, 1173, 1479, 1773, 2001, 3349, 3519, 4437, 4531, 5713, 6003, 10047, 11339, 13593, 17139, 30141, 34017, 40779, 51417, 77027, 97121, 102051, 131399, 231081, 291363, 394197, 693243, 874089, 1182591, 2233783, 6701349, 20104047]

約数ペア:

[(1, 20104047), (3, 6701349), (9, 2233783), (17, 1182591), (23, 874089), (29, 693243), (51, 394197), (69, 291363), (87, 231081), (153, 131399), (197, 102051), (207, 97121), (261, 77027), (391, 51417), (493, 40779), (591, 34017), (667, 30141), (1173, 17139), (1479, 13593), (1773, 11339), (2001, 10047), (3349, 6003), (3519, 5713), (4437, 4531)]