20656641

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3407}}^1$

素因数の和:3500

約数の個数: 16

約数和(自身を含む): 28790784

約数和(自身を除く): 8134143

約数列:

[1, 3, 43, 47, 129, 141, 2021, 3407, 6063, 10221, 146501, 160129, 439503, 480387, 6885547, 20656641]

約数ペア:

[(1, 20656641), (3, 6885547), (43, 480387), (47, 439503), (129, 160129), (141, 146501), (2021, 10221), (3407, 6063)]