20194990627

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{3413}}^1$

素因数の和:3903

約数の個数: 32

約数和(自身を含む): 24158010240

約数和(自身を除く): 3963019613

約数列:

[1, 7, 41, 53, 287, 371, 389, 2173, 2723, 3413, 15211, 15949, 20617, 23891, 111643, 139933, 144319, 180889, 845297, 979531, 1266223, 1327657, 5917079, 7416449, 9293599, 51915143, 54433937, 70365821, 381037559, 492560747, 2884998661, 20194990627]

約数ペア:

[(1, 20194990627), (7, 2884998661), (41, 492560747), (53, 381037559), (287, 70365821), (371, 54433937), (389, 51915143), (2173, 9293599), (2723, 7416449), (3413, 5917079), (15211, 1327657), (15949, 1266223), (20617, 979531), (23891, 845297), (111643, 180889), (139933, 144319)]