20372527

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:486

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 3473873

約数列:

[1, 7, 71, 179, 229, 497, 1253, 1603, 12709, 16259, 40991, 88963, 113813, 286937, 2910361, 20372527]

約数ペア:

[(1, 20372527), (7, 2910361), (71, 286937), (179, 113813), (229, 88963), (497, 40991), (1253, 16259), (1603, 12709)]