20700615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1279}}^1$

素因数の和:1383

約数の個数: 32

約数和(自身を含む): 36126720

約数和(自身を除く): 15426105

約数列:

[1, 3, 5, 13, 15, 39, 65, 83, 195, 249, 415, 1079, 1245, 1279, 3237, 3837, 5395, 6395, 16185, 16627, 19185, 49881, 83135, 106157, 249405, 318471, 530785, 1380041, 1592355, 4140123, 6900205, 20700615]

約数ペア:

[(1, 20700615), (3, 6900205), (5, 4140123), (13, 1592355), (15, 1380041), (39, 530785), (65, 318471), (83, 249405), (195, 106157), (249, 83135), (415, 49881), (1079, 19185), (1245, 16627), (1279, 16185), (3237, 6395), (3837, 5395)]