20255672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{133261}}^1$

素因数の和:133286

約数の個数: 16

約数和(自身を含む): 39978600

約数和(自身を除く): 19722928

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 133261, 266522, 533044, 1066088, 2531959, 5063918, 10127836, 20255672]

約数ペア:

[(1, 20255672), (2, 10127836), (4, 5063918), (8, 2531959), (19, 1066088), (38, 533044), (76, 266522), (152, 133261)]