20139722120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{340889}}^1$

素因数の和:341118

約数の個数: 64

約数和(自身を含む): 52033449600

約数和(自身を除く): 31893727480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 422, 844, 1055, 1477, 1688, 2110, 2954, 4220, 5908, 7385, 8440, 11816, 14770, 29540, 59080, 340889, 681778, 1363556, 1704445, 2386223, 2727112, 3408890, 4772446, 6817780, 9544892, 11931115, 13635560, 19089784, 23862230, 47724460, 71927579, 95448920, 143855158, 287710316, 359637895, 503493053, 575420632, 719275790, 1006986106, 1438551580, 2013972212, 2517465265, 2877103160, 4027944424, 5034930530, 10069861060, 20139722120]

約数ペア:

[(1, 20139722120), (2, 10069861060), (4, 5034930530), (5, 4027944424), (7, 2877103160), (8, 2517465265), (10, 2013972212), (14, 1438551580), (20, 1006986106), (28, 719275790), (35, 575420632), (40, 503493053), (56, 359637895), (70, 287710316), (140, 143855158), (211, 95448920), (280, 71927579), (422, 47724460), (844, 23862230), (1055, 19089784), (1477, 13635560), (1688, 11931115), (2110, 9544892), (2954, 6817780), (4220, 4772446), (5908, 3408890), (7385, 2727112), (8440, 2386223), (11816, 1704445), (14770, 1363556), (29540, 681778), (59080, 340889)]