20406977157

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6263}}^1\times {\mathrm{9127}}^1$

素因数の和:15417

約数の個数: 32

約数和(自身を含む): 32934408192

約数和(自身を除く): 12527431035

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 6263, 9127, 18789, 27381, 43841, 63889, 106471, 131523, 155159, 191667, 319413, 465477, 745297, 1086113, 2235891, 3258339, 57162401, 171487203, 400136807, 971760817, 1200410421, 2915282451, 6802325719, 20406977157]

約数ペア:

[(1, 20406977157), (3, 6802325719), (7, 2915282451), (17, 1200410421), (21, 971760817), (51, 400136807), (119, 171487203), (357, 57162401), (6263, 3258339), (9127, 2235891), (18789, 1086113), (27381, 745297), (43841, 465477), (63889, 319413), (106471, 191667), (131523, 155159)]