20561246

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{541}}^1\times {\mathrm{613}}^1$

素因数の和:1187

約数の個数: 16

約数和(自身を含む): 31947648

約数和(自身を除く): 11386402

約数列:

[1, 2, 31, 62, 541, 613, 1082, 1226, 16771, 19003, 33542, 38006, 331633, 663266, 10280623, 20561246]

約数ペア:

[(1, 20561246), (2, 10280623), (31, 663266), (62, 331633), (541, 38006), (613, 33542), (1082, 19003), (1226, 16771)]