20169251278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{71899}}^1$

素因数の和:72264

約数の個数: 32

約数和(自身を含む): 33918393600

約数和(自身を除く): 13749142322

約数列:

[1, 2, 11, 22, 41, 82, 311, 451, 622, 902, 3421, 6842, 12751, 25502, 71899, 140261, 143798, 280522, 790889, 1581778, 2947859, 5895718, 22360589, 32426449, 44721178, 64852898, 245966479, 491932958, 916784149, 1833568298, 10084625639, 20169251278]

約数ペア:

[(1, 20169251278), (2, 10084625639), (11, 1833568298), (22, 916784149), (41, 491932958), (82, 245966479), (311, 64852898), (451, 44721178), (622, 32426449), (902, 22360589), (3421, 5895718), (6842, 2947859), (12751, 1581778), (25502, 790889), (71899, 280522), (140261, 143798)]