20177963211

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{132331}}^1$

素因数の和:132531

約数の個数: 32

約数和(自身を含む): 31556418048

約数和(自身を除く): 11378454837

約数列:

[1, 3, 7, 21, 53, 137, 159, 371, 411, 959, 1113, 2877, 7261, 21783, 50827, 132331, 152481, 396993, 926317, 2778951, 7013543, 18129347, 21040629, 49094801, 54388041, 126905429, 147284403, 380716287, 960855391, 2882566173, 6725987737, 20177963211]

約数ペア:

[(1, 20177963211), (3, 6725987737), (7, 2882566173), (21, 960855391), (53, 380716287), (137, 147284403), (159, 126905429), (371, 54388041), (411, 49094801), (959, 21040629), (1113, 18129347), (2877, 7013543), (7261, 2778951), (21783, 926317), (50827, 396993), (132331, 152481)]