20317472

素因数分解:

$2^5\times 7^1\times {\mathrm{90703}}^1$

素因数の和:90720

約数の個数: 24

約数和(自身を含む): 45714816

約数和(自身を除く): 25397344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90703, 181406, 362812, 634921, 725624, 1269842, 1451248, 2539684, 2902496, 5079368, 10158736, 20317472]

約数ペア:

[(1, 20317472), (2, 10158736), (4, 5079368), (7, 2902496), (8, 2539684), (14, 1451248), (16, 1269842), (28, 725624), (32, 634921), (56, 362812), (112, 181406), (224, 90703)]