20764996

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{10159}}^1$

素因数の和:10243

約数の個数: 24

約数和(自身を含む): 42103040

約数和(自身を除く): 21338044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 10159, 20318, 40636, 71113, 142226, 284452, 741607, 1483214, 2966428, 5191249, 10382498, 20764996]

約数ペア:

[(1, 20764996), (2, 10382498), (4, 5191249), (7, 2966428), (14, 1483214), (28, 741607), (73, 284452), (146, 142226), (292, 71113), (511, 40636), (1022, 20318), (2044, 10159)]