20671288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{467}}^1\times {\mathrm{503}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 21785672

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 467, 503, 934, 1006, 1868, 2012, 3736, 4024, 5137, 5533, 10274, 11066, 20548, 22132, 41096, 44264, 234901, 469802, 939604, 1879208, 2583911, 5167822, 10335644, 20671288]

約数ペア:

[(1, 20671288), (2, 10335644), (4, 5167822), (8, 2583911), (11, 1879208), (22, 939604), (44, 469802), (88, 234901), (467, 44264), (503, 41096), (934, 22132), (1006, 20548), (1868, 11066), (2012, 10274), (3736, 5533), (4024, 5137)]