20180352710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{437467}}^1$

素因数の和:438140

約数の個数: 32

約数和(自身を含む): 41576958720

約数和(自身を除く): 21396606010

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 659, 1318, 3295, 4613, 6590, 9226, 23065, 46130, 437467, 874934, 2187335, 3062269, 4374670, 6124538, 15311345, 30622690, 288290753, 576581506, 1441453765, 2018035271, 2882907530, 4036070542, 10090176355, 20180352710]

約数ペア:

[(1, 20180352710), (2, 10090176355), (5, 4036070542), (7, 2882907530), (10, 2018035271), (14, 1441453765), (35, 576581506), (70, 288290753), (659, 30622690), (1318, 15311345), (3295, 6124538), (4613, 4374670), (6590, 3062269), (9226, 2187335), (23065, 874934), (46130, 437467)]