20329015

素因数分解:

$5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3209}}^1$

素因数の和:3402

約数の個数: 16

約数和(自身を含む): 28042560

約数和(自身を除く): 7713545

約数列:

[1, 5, 7, 35, 181, 905, 1267, 3209, 6335, 16045, 22463, 112315, 580829, 2904145, 4065803, 20329015]

約数ペア:

[(1, 20329015), (5, 4065803), (7, 2904145), (35, 580829), (181, 112315), (905, 22463), (1267, 16045), (3209, 6335)]