20199874045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18280429}}^1$

素因数の和:18280464

約数の個数: 16

約数和(自身を含む): 27640010160

約数和(自身を除く): 7440136115

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 18280429, 91402145, 237645577, 310767293, 1188227885, 1553836465, 4039974809, 20199874045]

約数ペア:

[(1, 20199874045), (5, 4039974809), (13, 1553836465), (17, 1188227885), (65, 310767293), (85, 237645577), (221, 91402145), (1105, 18280429)]