20253075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^2\times {\mathrm{281}}^1$

素因数の和:356

約数の個数: 36

約数和(自身を含む): 34723224

約数和(自身を除く): 14470149

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 281, 465, 775, 843, 961, 1405, 2325, 2883, 4215, 4805, 7025, 8711, 14415, 21075, 24025, 26133, 43555, 72075, 130665, 217775, 270041, 653325, 810123, 1350205, 4050615, 6751025, 20253075]

約数ペア:

[(1, 20253075), (3, 6751025), (5, 4050615), (15, 1350205), (25, 810123), (31, 653325), (75, 270041), (93, 217775), (155, 130665), (281, 72075), (465, 43555), (775, 26133), (843, 24025), (961, 21075), (1405, 14415), (2325, 8711), (2883, 7025), (4215, 4805)]