20172745945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{7649}}^1\times {\mathrm{47951}}^1$

素因数の和:55616

約数の個数: 16

約数和(自身を含む): 26411961600

約数和(自身を除く): 6239215655

約数列:

[1, 5, 11, 55, 7649, 38245, 47951, 84139, 239755, 420695, 527461, 2637305, 366777199, 1833885995, 4034549189, 20172745945]

約数ペア:

[(1, 20172745945), (5, 4034549189), (11, 1833885995), (55, 366777199), (7649, 2637305), (38245, 527461), (47951, 420695), (84139, 239755)]