20073956

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 42806400

約数和(自身を除く): 22732444

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 97, 133, 194, 266, 388, 389, 532, 679, 778, 1358, 1556, 1843, 2716, 2723, 3686, 5446, 7372, 7391, 10892, 12901, 14782, 25802, 29564, 37733, 51604, 51737, 75466, 103474, 150932, 206948, 264131, 528262, 716927, 1056524, 1433854, 2867708, 5018489, 10036978, 20073956]

約数ペア:

[(1, 20073956), (2, 10036978), (4, 5018489), (7, 2867708), (14, 1433854), (19, 1056524), (28, 716927), (38, 528262), (76, 264131), (97, 206948), (133, 150932), (194, 103474), (266, 75466), (388, 51737), (389, 51604), (532, 37733), (679, 29564), (778, 25802), (1358, 14782), (1556, 12901), (1843, 10892), (2716, 7391), (2723, 7372), (3686, 5446)]