20984720035

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1\times {\mathrm{6551}}^1$

素因数の和:6963

約数の個数: 32

約数和(自身を含む): 26402568192

約数和(自身を除く): 5417848157

約数列:

[1, 5, 43, 47, 215, 235, 317, 1585, 2021, 6551, 10105, 13631, 14899, 32755, 68155, 74495, 281693, 307897, 640657, 1408465, 1539485, 2076667, 3203285, 10383335, 13239571, 66197855, 89296681, 97603349, 446483405, 488016745, 4196944007, 20984720035]

約数ペア:

[(1, 20984720035), (5, 4196944007), (43, 488016745), (47, 446483405), (215, 97603349), (235, 89296681), (317, 66197855), (1585, 13239571), (2021, 10383335), (6551, 3203285), (10105, 2076667), (13631, 1539485), (14899, 1408465), (32755, 640657), (68155, 307897), (74495, 281693)]