20358704488

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{947}}^1\times {\mathrm{65543}}^1$

素因数の和:66537

約数の個数: 32

約数和(自身を含む): 39145498560

約数和(自身を除く): 18786794072

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 947, 1894, 3788, 7576, 38827, 65543, 77654, 131086, 155308, 262172, 310616, 524344, 2687263, 5374526, 10749052, 21498104, 62069221, 124138442, 248276884, 496553768, 2544838061, 5089676122, 10179352244, 20358704488]

約数ペア:

[(1, 20358704488), (2, 10179352244), (4, 5089676122), (8, 2544838061), (41, 496553768), (82, 248276884), (164, 124138442), (328, 62069221), (947, 21498104), (1894, 10749052), (3788, 5374526), (7576, 2687263), (38827, 524344), (65543, 310616), (77654, 262172), (131086, 155308)]