20180488528

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{79561}}^1$

素因数の和:79843

約数の個数: 40

約数和(自身を含む): 39778454016

約数和(自身を除く): 19597965488

約数列:

[1, 2, 4, 8, 16, 83, 166, 191, 332, 382, 664, 764, 1328, 1528, 3056, 15853, 31706, 63412, 79561, 126824, 159122, 253648, 318244, 636488, 1272976, 6603563, 13207126, 15196151, 26414252, 30392302, 52828504, 60784604, 105657008, 121569208, 243138416, 1261280533, 2522561066, 5045122132, 10090244264, 20180488528]

約数ペア:

[(1, 20180488528), (2, 10090244264), (4, 5045122132), (8, 2522561066), (16, 1261280533), (83, 243138416), (166, 121569208), (191, 105657008), (332, 60784604), (382, 52828504), (664, 30392302), (764, 26414252), (1328, 15196151), (1528, 13207126), (3056, 6603563), (15853, 1272976), (31706, 636488), (63412, 318244), (79561, 253648), (126824, 159122)]