20109542552

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{26951}}^1$

素因数の和:27168

約数の個数: 64

約数和(自身を含む): 42109804800

約数和(自身を除く): 22000262248

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 139, 244, 278, 488, 556, 671, 1112, 1342, 1529, 2684, 3058, 5368, 6116, 8479, 12232, 16958, 26951, 33916, 53902, 67832, 93269, 107804, 186538, 215608, 296461, 373076, 592922, 746152, 1185844, 1644011, 2371688, 3288022, 3746189, 6576044, 7492378, 13152088, 14984756, 18084121, 29969512, 36168242, 41208079, 72336484, 82416158, 144672968, 164832316, 228517529, 329664632, 457035058, 914070116, 1828140232, 2513692819, 5027385638, 10054771276, 20109542552]

約数ペア:

[(1, 20109542552), (2, 10054771276), (4, 5027385638), (8, 2513692819), (11, 1828140232), (22, 914070116), (44, 457035058), (61, 329664632), (88, 228517529), (122, 164832316), (139, 144672968), (244, 82416158), (278, 72336484), (488, 41208079), (556, 36168242), (671, 29969512), (1112, 18084121), (1342, 14984756), (1529, 13152088), (2684, 7492378), (3058, 6576044), (5368, 3746189), (6116, 3288022), (8479, 2371688), (12232, 1644011), (16958, 1185844), (26951, 746152), (33916, 592922), (53902, 373076), (67832, 296461), (93269, 215608), (107804, 186538)]