20267145

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{8831}}^1$

素因数の和:8862

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 17887095

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 8831, 26493, 44155, 79479, 132465, 150127, 238437, 397395, 450381, 750635, 1192185, 1351143, 2251905, 4053429, 6755715, 20267145]

約数ペア:

[(1, 20267145), (3, 6755715), (5, 4053429), (9, 2251905), (15, 1351143), (17, 1192185), (27, 750635), (45, 450381), (51, 397395), (85, 238437), (135, 150127), (153, 132465), (255, 79479), (459, 44155), (765, 26493), (2295, 8831)]