20897714

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1\times {\mathrm{401}}^1$

素因数の和:841

約数の個数: 16

約数和(自身を含む): 31954176

約数和(自身を除く): 11056462

約数列:

[1, 2, 71, 142, 367, 401, 734, 802, 26057, 28471, 52114, 56942, 147167, 294334, 10448857, 20897714]

約数ペア:

[(1, 20897714), (2, 10448857), (71, 294334), (142, 147167), (367, 56942), (401, 52114), (734, 28471), (802, 26057)]