20017504437

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1303987}}^1$

素因数の和:1304057

約数の個数: 32

約数和(自身を含む): 33048271872

約数和(自身を除く): 13030767435

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 2193, 5117, 15351, 1303987, 3911961, 9127909, 22167779, 27383727, 56071441, 66503337, 155174453, 168214323, 392500087, 465523359, 953214497, 1177500261, 2859643491, 6672501479, 20017504437]

約数ペア:

[(1, 20017504437), (3, 6672501479), (7, 2859643491), (17, 1177500261), (21, 953214497), (43, 465523359), (51, 392500087), (119, 168214323), (129, 155174453), (301, 66503337), (357, 56071441), (731, 27383727), (903, 22167779), (2193, 9127909), (5117, 3911961), (15351, 1303987)]