20801396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67537}}^1$

素因数の和:67559

約数の個数: 24

約数和(自身を含む): 45385536

約数和(自身を除く): 24584140

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67537, 135074, 270148, 472759, 742907, 945518, 1485814, 1891036, 2971628, 5200349, 10400698, 20801396]

約数ペア:

[(1, 20801396), (2, 10400698), (4, 5200349), (7, 2971628), (11, 1891036), (14, 1485814), (22, 945518), (28, 742907), (44, 472759), (77, 270148), (154, 135074), (308, 67537)]