20184782275

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{37171}}^1$

素因数の和:37324

約数の個数: 48

約数和(自身を含む): 29868445440

約数和(自身を除く): 9683663165

約数列:

[1, 5, 7, 25, 29, 35, 107, 145, 175, 203, 535, 725, 749, 1015, 2675, 3103, 3745, 5075, 15515, 18725, 21721, 37171, 77575, 108605, 185855, 260197, 543025, 929275, 1077959, 1300985, 3977297, 5389795, 6504925, 7545713, 19886485, 26948975, 27841079, 37728565, 99432425, 115341613, 139205395, 188642825, 576708065, 696026975, 807391291, 2883540325, 4036956455, 20184782275]

約数ペア:

[(1, 20184782275), (5, 4036956455), (7, 2883540325), (25, 807391291), (29, 696026975), (35, 576708065), (107, 188642825), (145, 139205395), (175, 115341613), (203, 99432425), (535, 37728565), (725, 27841079), (749, 26948975), (1015, 19886485), (2675, 7545713), (3103, 6504925), (3745, 5389795), (5075, 3977297), (15515, 1300985), (18725, 1077959), (21721, 929275), (37171, 543025), (77575, 260197), (108605, 185855)]