20145202

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 37895040

約数和(自身を除く): 17749838

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 257, 509, 514, 1018, 1799, 2827, 3563, 3598, 5599, 5654, 7126, 11198, 19789, 39193, 39578, 78386, 130813, 261626, 915691, 1438943, 1831382, 2877886, 10072601, 20145202]

約数ペア:

[(1, 20145202), (2, 10072601), (7, 2877886), (11, 1831382), (14, 1438943), (22, 915691), (77, 261626), (154, 130813), (257, 78386), (509, 39578), (514, 39193), (1018, 19789), (1799, 11198), (2827, 7126), (3563, 5654), (3598, 5599)]