20173203

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{1669}}^1$

素因数の和:1771

約数の個数: 24

約数和(自身を含む): 31262400

約数和(自身を除く): 11089197

約数列:

[1, 3, 9, 17, 51, 79, 153, 237, 711, 1343, 1669, 4029, 5007, 12087, 15021, 28373, 85119, 131851, 255357, 395553, 1186659, 2241467, 6724401, 20173203]

約数ペア:

[(1, 20173203), (3, 6724401), (9, 2241467), (17, 1186659), (51, 395553), (79, 255357), (153, 131851), (237, 85119), (711, 28373), (1343, 15021), (1669, 12087), (4029, 5007)]