20512781523

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1109}}^1\times {\mathrm{52697}}^1$

素因数の和:53828

約数の個数: 32

約数和(自身を含む): 32757076800

約数和(自身を除く): 12244295277

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1109, 3327, 9981, 14417, 29943, 43251, 52697, 129753, 158091, 389259, 474273, 685061, 1422819, 2055183, 6165549, 18496647, 58440973, 175322919, 525968757, 759732649, 1577906271, 2279197947, 6837593841, 20512781523]

約数ペア:

[(1, 20512781523), (3, 6837593841), (9, 2279197947), (13, 1577906271), (27, 759732649), (39, 525968757), (117, 175322919), (351, 58440973), (1109, 18496647), (3327, 6165549), (9981, 2055183), (14417, 1422819), (29943, 685061), (43251, 474273), (52697, 389259), (129753, 158091)]