20519554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{13921}}^1$

素因数の和:14001

約数の個数: 16

約数和(自身を含む): 34081056

約数和(自身を除く): 13561502

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 13921, 27842, 153131, 306262, 932707, 1865414, 10259777, 20519554]

約数ペア:

[(1, 20519554), (2, 10259777), (11, 1865414), (22, 932707), (67, 306262), (134, 153131), (737, 27842), (1474, 13921)]