20955214

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78779}}^1$

素因数の和:78807

約数の個数: 16

約数和(自身を含む): 37814400

約数和(自身を除く): 16859186

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78779, 157558, 551453, 1102906, 1496801, 2993602, 10477607, 20955214]

約数ペア:

[(1, 20955214), (2, 10477607), (7, 2993602), (14, 1496801), (19, 1102906), (38, 551453), (133, 157558), (266, 78779)]