20773305

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{9421}}^1$

素因数の和:9446

約数の個数: 36

約数和(自身を含む): 41890212

約数和(自身を除く): 21116907

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 9421, 28263, 47105, 65947, 84789, 141315, 197841, 329735, 423945, 461629, 593523, 989205, 1384887, 2308145, 2967615, 4154661, 6924435, 20773305]

約数ペア:

[(1, 20773305), (3, 6924435), (5, 4154661), (7, 2967615), (9, 2308145), (15, 1384887), (21, 989205), (35, 593523), (45, 461629), (49, 423945), (63, 329735), (105, 197841), (147, 141315), (245, 84789), (315, 65947), (441, 47105), (735, 28263), (2205, 9421)]