20071902478

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{918959}}^1$

素因数の和:919191

約数の個数: 16

約数和(自身を含む): 30744725760

約数和(自身を除く): 10672823282

約数列:

[1, 2, 67, 134, 163, 326, 10921, 21842, 918959, 1837918, 61570253, 123140506, 149790317, 299580634, 10035951239, 20071902478]

約数ペア:

[(1, 20071902478), (2, 10035951239), (67, 299580634), (134, 149790317), (163, 123140506), (326, 61570253), (10921, 1837918), (21842, 918959)]