20099212

素因数分解:

$2^2\times 7^2\times {\mathrm{102547}}^1$

素因数の和:102565

約数の個数: 18

約数和(自身を含む): 40916652

約数和(自身を除く): 20817440

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 102547, 205094, 410188, 717829, 1435658, 2871316, 5024803, 10049606, 20099212]

約数ペア:

[(1, 20099212), (2, 10049606), (4, 5024803), (7, 2871316), (14, 1435658), (28, 717829), (49, 410188), (98, 205094), (196, 102547)]