20163517904

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{317}}^1\times {\mathrm{30347}}^1$

素因数の和:30803

約数の個数: 40

約数和(自身を含む): 39490517088

約数和(自身を除く): 19326999184

約数列:

[1, 2, 4, 8, 16, 131, 262, 317, 524, 634, 1048, 1268, 2096, 2536, 5072, 30347, 41527, 60694, 83054, 121388, 166108, 242776, 332216, 485552, 664432, 3975457, 7950914, 9619999, 15901828, 19239998, 31803656, 38479996, 63607312, 76959992, 153919984, 1260219869, 2520439738, 5040879476, 10081758952, 20163517904]

約数ペア:

[(1, 20163517904), (2, 10081758952), (4, 5040879476), (8, 2520439738), (16, 1260219869), (131, 153919984), (262, 76959992), (317, 63607312), (524, 38479996), (634, 31803656), (1048, 19239998), (1268, 15901828), (2096, 9619999), (2536, 7950914), (5072, 3975457), (30347, 664432), (41527, 485552), (60694, 332216), (83054, 242776), (121388, 166108)]