20242155

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 34573824

約数和(自身を除く): 14331669

約数列:

[1, 3, 5, 15, 17, 51, 85, 163, 255, 487, 489, 815, 1461, 2435, 2445, 2771, 7305, 8279, 8313, 13855, 24837, 41395, 41565, 79381, 124185, 238143, 396905, 1190715, 1349477, 4048431, 6747385, 20242155]

約数ペア:

[(1, 20242155), (3, 6747385), (5, 4048431), (15, 1349477), (17, 1190715), (51, 396905), (85, 238143), (163, 124185), (255, 79381), (487, 41565), (489, 41395), (815, 24837), (1461, 13855), (2435, 8313), (2445, 8279), (2771, 7305)]