20181207805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{967}}^1\times {\mathrm{1657}}^1$

素因数の和:2869

約数の個数: 32

約数和(自身を含む): 26577872640

約数和(自身を除く): 6396664835

約数列:

[1, 5, 11, 55, 229, 967, 1145, 1657, 2519, 4835, 8285, 10637, 12595, 18227, 53185, 91135, 221443, 379453, 1107215, 1602319, 1897265, 2435873, 4173983, 8011595, 12179365, 17625509, 20869915, 88127545, 366931051, 1834655255, 4036241561, 20181207805]

約数ペア:

[(1, 20181207805), (5, 4036241561), (11, 1834655255), (55, 366931051), (229, 88127545), (967, 20869915), (1145, 17625509), (1657, 12179365), (2519, 8011595), (4835, 4173983), (8285, 2435873), (10637, 1897265), (12595, 1602319), (18227, 1107215), (53185, 379453), (91135, 221443)]