20209288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7919}}^1$

素因数の和:7965

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 22558712

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 7919, 15838, 31676, 63352, 87109, 174218, 229651, 348436, 459302, 696872, 918604, 1837208, 2526161, 5052322, 10104644, 20209288]

約数ペア:

[(1, 20209288), (2, 10104644), (4, 5052322), (8, 2526161), (11, 1837208), (22, 918604), (29, 696872), (44, 459302), (58, 348436), (88, 229651), (116, 174218), (232, 87109), (319, 63352), (638, 31676), (1276, 15838), (2552, 7919)]