20187799177

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{7649}}^1$

素因数の和:7802

約数の個数: 48

約数和(自身を含む): 26341459200

約数和(自身を除く): 6153660023

約数列:

[1, 7, 13, 23, 91, 97, 161, 169, 299, 679, 1183, 1261, 2093, 2231, 3887, 7649, 8827, 15617, 16393, 27209, 29003, 53543, 99437, 114751, 175927, 203021, 377039, 696059, 741953, 1231489, 1292681, 2287051, 2639273, 5193671, 9048767, 9645389, 16009357, 17064919, 29731663, 67517723, 119454433, 125390057, 208121641, 221843947, 877730399, 1552907629, 2883971311, 20187799177]

約数ペア:

[(1, 20187799177), (7, 2883971311), (13, 1552907629), (23, 877730399), (91, 221843947), (97, 208121641), (161, 125390057), (169, 119454433), (299, 67517723), (679, 29731663), (1183, 17064919), (1261, 16009357), (2093, 9645389), (2231, 9048767), (3887, 5193671), (7649, 2639273), (8827, 2287051), (15617, 1292681), (16393, 1231489), (27209, 741953), (29003, 696059), (53543, 377039), (99437, 203021), (114751, 175927)]