20156536

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{347}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 38899440

約数和(自身を除く): 18742904

約数列:

[1, 2, 4, 8, 53, 106, 137, 212, 274, 347, 424, 548, 694, 1096, 1388, 2776, 7261, 14522, 18391, 29044, 36782, 47539, 58088, 73564, 95078, 147128, 190156, 380312, 2519567, 5039134, 10078268, 20156536]

約数ペア:

[(1, 20156536), (2, 10078268), (4, 5039134), (8, 2519567), (53, 380312), (106, 190156), (137, 147128), (212, 95078), (274, 73564), (347, 58088), (424, 47539), (548, 36782), (694, 29044), (1096, 18391), (1388, 14522), (2776, 7261)]