20648617144

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{4157}}^1\times {\mathrm{20029}}^1$

素因数の和:24223

約数の個数: 32

約数和(自身を含む): 39976675200

約数和(自身を除く): 19328058056

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 4157, 8314, 16628, 20029, 33256, 40058, 80116, 128867, 160232, 257734, 515468, 620899, 1030936, 1241798, 2483596, 4967192, 83260553, 166521106, 333042212, 666084424, 2581077143, 5162154286, 10324308572, 20648617144]

約数ペア:

[(1, 20648617144), (2, 10324308572), (4, 5162154286), (8, 2581077143), (31, 666084424), (62, 333042212), (124, 166521106), (248, 83260553), (4157, 4967192), (8314, 2483596), (16628, 1241798), (20029, 1030936), (33256, 620899), (40058, 515468), (80116, 257734), (128867, 160232)]