20717491378

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1\times {\mathrm{81563}}^1$

素因数の和:83081

約数の個数: 16

約数和(自身を含む): 31447815840

約数和(自身を除く): 10730324462

約数列:

[1, 2, 89, 178, 1427, 2854, 81563, 127003, 163126, 254006, 7259107, 14518214, 116390401, 232780802, 10358745689, 20717491378]

約数ペア:

[(1, 20717491378), (2, 10358745689), (89, 232780802), (178, 116390401), (1427, 14518214), (2854, 7259107), (81563, 254006), (127003, 163126)]