20165990511

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1\times {\mathrm{6689}}^1$

素因数の和:7095

約数の個数: 32

約数和(自身を含む): 27906612480

約数和(自身を除く): 7740621969

約数列:

[1, 3, 53, 67, 159, 201, 283, 849, 3551, 6689, 10653, 14999, 18961, 20067, 44997, 56883, 354517, 448163, 1004933, 1063551, 1344489, 1892987, 3014799, 5678961, 23752639, 71257917, 100328311, 126830129, 300984933, 380490387, 6721996837, 20165990511]

約数ペア:

[(1, 20165990511), (3, 6721996837), (53, 380490387), (67, 300984933), (159, 126830129), (201, 100328311), (283, 71257917), (849, 23752639), (3551, 5678961), (6689, 3014799), (10653, 1892987), (14999, 1344489), (18961, 1063551), (20067, 1004933), (44997, 448163), (56883, 354517)]