20178393832

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1031}}^1\times {\mathrm{128761}}^1$

素因数の和:129817

約数の個数: 32

約数和(自身を含む): 39864715200

約数和(自身を除く): 19686321368

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1031, 2062, 4124, 8248, 19589, 39178, 78356, 128761, 156712, 257522, 515044, 1030088, 2446459, 4892918, 9785836, 19571672, 132752591, 265505182, 531010364, 1062020728, 2522299229, 5044598458, 10089196916, 20178393832]

約数ペア:

[(1, 20178393832), (2, 10089196916), (4, 5044598458), (8, 2522299229), (19, 1062020728), (38, 531010364), (76, 265505182), (152, 132752591), (1031, 19571672), (2062, 9785836), (4124, 4892918), (8248, 2446459), (19589, 1030088), (39178, 515044), (78356, 257522), (128761, 156712)]