20668532

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 19974028

約数列:

[1, 2, 4, 17, 29, 34, 47, 58, 68, 94, 116, 188, 223, 446, 493, 799, 892, 986, 1363, 1598, 1972, 2726, 3196, 3791, 5452, 6467, 7582, 10481, 12934, 15164, 20962, 23171, 25868, 41924, 46342, 92684, 109939, 178177, 219878, 303949, 356354, 439756, 607898, 712708, 1215796, 5167133, 10334266, 20668532]

約数ペア:

[(1, 20668532), (2, 10334266), (4, 5167133), (17, 1215796), (29, 712708), (34, 607898), (47, 439756), (58, 356354), (68, 303949), (94, 219878), (116, 178177), (188, 109939), (223, 92684), (446, 46342), (493, 41924), (799, 25868), (892, 23171), (986, 20962), (1363, 15164), (1598, 12934), (1972, 10481), (2726, 7582), (3196, 6467), (3791, 5452)]