20512221778

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{7561}}^1\times {\mathrm{15241}}^1$

素因数の和:22893

約数の個数: 16

約数和(自身を含む): 31120201080

約数和(自身を除く): 10607979302

約数列:

[1, 2, 89, 178, 7561, 15122, 15241, 30482, 672929, 1345858, 1356449, 2712898, 115237201, 230474402, 10256110889, 20512221778]

約数ペア:

[(1, 20512221778), (2, 10256110889), (89, 230474402), (178, 115237201), (7561, 2712898), (15122, 1356449), (15241, 1345858), (30482, 672929)]