20170853871

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1282399}}^1$

素因数の和:1282523

約数の個数: 24

約数和(自身を含む): 31577817600

約数和(自身を除く): 11406963729

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 15729, 1282399, 3847197, 8976793, 26930379, 62837551, 137216693, 188512653, 411650079, 960516851, 2881550553, 6723617957, 20170853871]

約数ペア:

[(1, 20170853871), (3, 6723617957), (7, 2881550553), (21, 960516851), (49, 411650079), (107, 188512653), (147, 137216693), (321, 62837551), (749, 26930379), (2247, 8976793), (5243, 3847197), (15729, 1282399)]