20129691351

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{47129}}^1$

素因数の和:47236

約数の個数: 48

約数和(自身を含む): 34259362560

約数和(自身を除く): 14129671209

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 1849, 3311, 5547, 9933, 12943, 20339, 38829, 47129, 61017, 141387, 142373, 329903, 427119, 518419, 989709, 1555257, 2026547, 3628933, 6079641, 10886799, 14185829, 22292017, 42557487, 66876051, 87141521, 156044119, 261424563, 468132357, 609990647, 958556731, 1829971941, 2875670193, 6709897117, 20129691351]

約数ペア:

[(1, 20129691351), (3, 6709897117), (7, 2875670193), (11, 1829971941), (21, 958556731), (33, 609990647), (43, 468132357), (77, 261424563), (129, 156044119), (231, 87141521), (301, 66876051), (473, 42557487), (903, 22292017), (1419, 14185829), (1849, 10886799), (3311, 6079641), (5547, 3628933), (9933, 2026547), (12943, 1555257), (20339, 989709), (38829, 518419), (47129, 427119), (61017, 329903), (141387, 142373)]