20515802

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:893

約数の個数: 16

約数和(自身を含む): 31401312

約数和(自身を除く): 10885510

約数列:

[1, 2, 67, 134, 283, 541, 566, 1082, 18961, 36247, 37922, 72494, 153103, 306206, 10257901, 20515802]

約数ペア:

[(1, 20515802), (2, 10257901), (67, 306206), (134, 153103), (283, 72494), (541, 37922), (566, 36247), (1082, 18961)]