20731620466

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{4211}}^1\times {\mathrm{15679}}^1$

素因数の和:20049

約数の個数: 16

約数和(自身を含む): 31304931840

約数和(自身を除く): 10573311374

約数列:

[1, 2, 157, 314, 4211, 8422, 15679, 31358, 661127, 1322254, 2461603, 4923206, 66024269, 132048538, 10365810233, 20731620466]

約数ペア:

[(1, 20731620466), (2, 10365810233), (157, 132048538), (314, 66024269), (4211, 4923206), (8422, 2461603), (15679, 1322254), (31358, 661127)]