20884082

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2411}}^1$

素因数の和:2545

約数の個数: 16

約数和(自身を含む): 32301504

約数和(自身を除く): 11417422

約数列:

[1, 2, 61, 71, 122, 142, 2411, 4331, 4822, 8662, 147071, 171181, 294142, 342362, 10442041, 20884082]

約数ペア:

[(1, 20884082), (2, 10442041), (61, 342362), (71, 294142), (122, 171181), (142, 147071), (2411, 8662), (4331, 4822)]