20671082

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8563}}^1$

素因数の和:8653

約数の個数: 16

約数和(自身を含む): 33296832

約数和(自身を除く): 12625750

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8563, 17126, 145571, 291142, 607973, 1215946, 10335541, 20671082]

約数ペア:

[(1, 20671082), (2, 10335541), (17, 1215946), (34, 607973), (71, 291142), (142, 145571), (1207, 17126), (2414, 8563)]