20139923979

素因数分解:

$3^2\times 7^1\times {\mathrm{50929}}^1\times {\mathrm{6277}}^1$

素因数の和:57219

約数の個数: 24

約数和(自身を含む): 33252808160

約数和(自身を除く): 13112884181

約数列:

[1, 3, 7, 9, 21, 63, 6277, 18831, 43939, 50929, 56493, 131817, 152787, 356503, 395451, 458361, 1069509, 3208527, 319681333, 959043999, 2237769331, 2877131997, 6713307993, 20139923979]

約数ペア:

[(1, 20139923979), (3, 6713307993), (7, 2877131997), (9, 2237769331), (21, 959043999), (63, 319681333), (6277, 3208527), (18831, 1069509), (43939, 458361), (50929, 395451), (56493, 356503), (131817, 152787)]