20851292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67699}}^1$

素因数の和:67721

約数の個数: 24

約数和(自身を含む): 45494400

約数和(自身を除く): 24643108

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67699, 135398, 270796, 473893, 744689, 947786, 1489378, 1895572, 2978756, 5212823, 10425646, 20851292]

約数ペア:

[(1, 20851292), (2, 10425646), (4, 5212823), (7, 2978756), (11, 1895572), (14, 1489378), (22, 947786), (28, 744689), (44, 473893), (77, 270796), (154, 135398), (308, 67699)]