20347838

素因数分解:

$2^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{523}}^1$

素因数の和:936

約数の個数: 24

約数和(自身を含む): 35662392

約数和(自身を除く): 15314554

約数列:

[1, 2, 7, 14, 49, 98, 397, 523, 794, 1046, 2779, 3661, 5558, 7322, 19453, 25627, 38906, 51254, 207631, 415262, 1453417, 2906834, 10173919, 20347838]

約数ペア:

[(1, 20347838), (2, 10173919), (7, 2906834), (14, 1453417), (49, 415262), (98, 207631), (397, 51254), (523, 38906), (794, 25627), (1046, 19453), (2779, 7322), (3661, 5558)]