20769196

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{11071}}^1$

素因数の和:11149

約数の個数: 24

約数和(自身を含む): 42162176

約数和(自身を除く): 21392980

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 11071, 22142, 44284, 77497, 154994, 309988, 741757, 1483514, 2967028, 5192299, 10384598, 20769196]

約数ペア:

[(1, 20769196), (2, 10384598), (4, 5192299), (7, 2967028), (14, 1483514), (28, 741757), (67, 309988), (134, 154994), (268, 77497), (469, 44284), (938, 22142), (1876, 11071)]