20810918018

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{653}}^1\times {\mathrm{1667}}^1$

素因数の和:2423

約数の個数: 48

約数和(自身を含む): 34820634240

約数和(自身を除く): 14009716222

約数列:

[1, 2, 11, 22, 79, 121, 158, 242, 653, 869, 1306, 1667, 1738, 3334, 7183, 9559, 14366, 18337, 19118, 36674, 51587, 79013, 103174, 131693, 158026, 201707, 263386, 403414, 567457, 1088551, 1134914, 1448623, 2177102, 2897246, 6242027, 11974061, 12484054, 15934853, 23948122, 31869706, 85995529, 131714671, 171991058, 263429342, 945950819, 1891901638, 10405459009, 20810918018]

約数ペア:

[(1, 20810918018), (2, 10405459009), (11, 1891901638), (22, 945950819), (79, 263429342), (121, 171991058), (158, 131714671), (242, 85995529), (653, 31869706), (869, 23948122), (1306, 15934853), (1667, 12484054), (1738, 11974061), (3334, 6242027), (7183, 2897246), (9559, 2177102), (14366, 1448623), (18337, 1134914), (19118, 1088551), (36674, 567457), (51587, 403414), (79013, 263386), (103174, 201707), (131693, 158026)]