20612081

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 24284160

約数和(自身を除く): 3672079

約数列:

[1, 7, 67, 71, 469, 497, 619, 4333, 4757, 33299, 41473, 43949, 290311, 307643, 2944583, 20612081]

約数ペア:

[(1, 20612081), (7, 2944583), (67, 307643), (71, 290311), (469, 43949), (497, 41473), (619, 33299), (4333, 4757)]