20145920998

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{349}}^1\times {\mathrm{40031}}^1$

素因数の和:40492

約数の個数: 32

約数和(自身を含む): 34971955200

約数和(自身を除く): 14826034202

約数列:

[1, 2, 7, 14, 103, 206, 349, 698, 721, 1442, 2443, 4886, 35947, 40031, 71894, 80062, 251629, 280217, 503258, 560434, 4123193, 8246386, 13970819, 27941638, 28862351, 57724702, 97795733, 195591466, 1438994357, 2877988714, 10072960499, 20145920998]

約数ペア:

[(1, 20145920998), (2, 10072960499), (7, 2877988714), (14, 1438994357), (103, 195591466), (206, 97795733), (349, 57724702), (698, 28862351), (721, 27941638), (1442, 13970819), (2443, 8246386), (4886, 4123193), (35947, 560434), (40031, 503258), (71894, 280217), (80062, 251629)]