20187966695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1619}}^1\times {\mathrm{191837}}^1$

素因数の和:193474

約数の個数: 16

約数和(自身を含む): 26105315040

約数和(自身を除く): 5917348345

約数列:

[1, 5, 13, 65, 1619, 8095, 21047, 105235, 191837, 959185, 2493881, 12469405, 310584103, 1552920515, 4037593339, 20187966695]

約数ペア:

[(1, 20187966695), (5, 4037593339), (13, 1552920515), (65, 310584103), (1619, 12469405), (8095, 2493881), (21047, 959185), (105235, 191837)]