20512094421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1121431}}^1$

素因数の和:1121521

約数の個数: 32

約数和(自身を含む): 34163304448

約数和(自身を除く): 13651210027

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 2613, 6097, 18291, 1121431, 3364293, 7850017, 14578603, 23550051, 43735809, 75135877, 102050221, 225407631, 306150663, 525951139, 976766401, 1577853417, 2930299203, 6837364807, 20512094421]

約数ペア:

[(1, 20512094421), (3, 6837364807), (7, 2930299203), (13, 1577853417), (21, 976766401), (39, 525951139), (67, 306150663), (91, 225407631), (201, 102050221), (273, 75135877), (469, 43735809), (871, 23550051), (1407, 14578603), (2613, 7850017), (6097, 3364293), (18291, 1121431)]