20129756853

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{90529}}^1$

素因数の和:90681

約数の個数: 32

約数和(自身を含む): 29201356800

約数和(自身を除く): 9071599947

約数列:

[1, 3, 19, 47, 57, 83, 141, 249, 893, 1577, 2679, 3901, 4731, 11703, 74119, 90529, 222357, 271587, 1720051, 4254863, 5160153, 7513907, 12764589, 22541721, 80842397, 142764233, 242527191, 353153629, 428292699, 1059460887, 6709918951, 20129756853]

約数ペア:

[(1, 20129756853), (3, 6709918951), (19, 1059460887), (47, 428292699), (57, 353153629), (83, 242527191), (141, 142764233), (249, 80842397), (893, 22541721), (1577, 12764589), (2679, 7513907), (3901, 5160153), (4731, 4254863), (11703, 1720051), (74119, 271587), (90529, 222357)]