20572769

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:632

約数の個数: 16

約数和(自身を含む): 24182400

約数和(自身を除く): 3609631

約数列:

[1, 7, 59, 109, 413, 457, 763, 3199, 6431, 26963, 45017, 49813, 188741, 348691, 2938967, 20572769]

約数ペア:

[(1, 20572769), (7, 2938967), (59, 348691), (109, 188741), (413, 49813), (457, 45017), (763, 26963), (3199, 6431)]