20761529978

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1\times {\mathrm{9349}}^1$

素因数の和:10734

約数の個数: 32

約数和(自身を含む): 35904000000

約数和(自身を除く): 15142470022

約数列:

[1, 2, 7, 14, 127, 254, 889, 1249, 1778, 2498, 8743, 9349, 17486, 18698, 65443, 130886, 158623, 317246, 1110361, 1187323, 2220722, 2374646, 8311261, 11676901, 16622522, 23353802, 81738307, 163476614, 1482966427, 2965932854, 10380764989, 20761529978]

約数ペア:

[(1, 20761529978), (2, 10380764989), (7, 2965932854), (14, 1482966427), (127, 163476614), (254, 81738307), (889, 23353802), (1249, 16622522), (1778, 11676901), (2498, 8311261), (8743, 2374646), (9349, 2220722), (17486, 1187323), (18698, 1110361), (65443, 317246), (130886, 158623)]