20477435

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:236

約数の個数: 32

約数和(自身を含む): 28776384

約数和(自身を除く): 8298949

約数列:

[1, 5, 11, 17, 55, 85, 121, 181, 187, 605, 905, 935, 1331, 1991, 2057, 3077, 6655, 9955, 10285, 15385, 21901, 22627, 33847, 109505, 113135, 169235, 240911, 372317, 1204555, 1861585, 4095487, 20477435]

約数ペア:

[(1, 20477435), (5, 4095487), (11, 1861585), (17, 1204555), (55, 372317), (85, 240911), (121, 169235), (181, 113135), (187, 109505), (605, 33847), (905, 22627), (935, 21901), (1331, 15385), (1991, 10285), (2057, 9955), (3077, 6655)]