20959372

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{7717}}^1$

素因数の和:7825

約数の個数: 24

約数和(自身を含む): 42356384

約数和(自身を除く): 21397012

約数列:

[1, 2, 4, 7, 14, 28, 97, 194, 388, 679, 1358, 2716, 7717, 15434, 30868, 54019, 108038, 216076, 748549, 1497098, 2994196, 5239843, 10479686, 20959372]

約数ペア:

[(1, 20959372), (2, 10479686), (4, 5239843), (7, 2994196), (14, 1497098), (28, 748549), (97, 216076), (194, 108038), (388, 54019), (679, 30868), (1358, 15434), (2716, 7717)]