20163155908

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37900669}}^1$

素因数の和:37900699

約数の個数: 24

約数和(自身を含む): 42448750400

約数和(自身を除く): 22285594492

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 37900669, 75801338, 151602676, 265304683, 530609366, 720112711, 1061218732, 1440225422, 2880450844, 5040788977, 10081577954, 20163155908]

約数ペア:

[(1, 20163155908), (2, 10081577954), (4, 5040788977), (7, 2880450844), (14, 1440225422), (19, 1061218732), (28, 720112711), (38, 530609366), (76, 265304683), (133, 151602676), (266, 75801338), (532, 37900669)]