20443138

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 31215744

約数和(自身を除く): 10772606

約数列:

[1, 2, 97, 167, 194, 334, 631, 1262, 16199, 32398, 61207, 105377, 122414, 210754, 10221569, 20443138]

約数ペア:

[(1, 20443138), (2, 10221569), (97, 210754), (167, 122414), (194, 105377), (334, 61207), (631, 32398), (1262, 16199)]