20138264515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{50227}}^1$

素因数の和:50391

約数の個数: 32

約数和(自身を含む): 26363672640

約数和(自身を除く): 6225408125

約数列:

[1, 5, 17, 53, 85, 89, 265, 445, 901, 1513, 4505, 4717, 7565, 23585, 50227, 80189, 251135, 400945, 853859, 2662031, 4269295, 4470203, 13310155, 22351015, 45254527, 75993451, 226272635, 236920759, 379967255, 1184603795, 4027652903, 20138264515]

約数ペア:

[(1, 20138264515), (5, 4027652903), (17, 1184603795), (53, 379967255), (85, 236920759), (89, 226272635), (265, 75993451), (445, 45254527), (901, 22351015), (1513, 13310155), (4505, 4470203), (4717, 4269295), (7565, 2662031), (23585, 853859), (50227, 400945), (80189, 251135)]