2006994020

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1\times {\mathrm{4903}}^1$

素因数の和:5220

約数の個数: 48

約数和(自身を含む): 4279191168

約数和(自身を除く): 2272197148

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 211, 388, 422, 485, 844, 970, 1055, 1940, 2110, 4220, 4903, 9806, 19612, 20467, 24515, 40934, 49030, 81868, 98060, 102335, 204670, 409340, 475591, 951182, 1034533, 1902364, 2069066, 2377955, 4138132, 4755910, 5172665, 9511820, 10345330, 20690660, 100349701, 200699402, 401398804, 501748505, 1003497010, 2006994020]

約数ペア:

[(1, 2006994020), (2, 1003497010), (4, 501748505), (5, 401398804), (10, 200699402), (20, 100349701), (97, 20690660), (194, 10345330), (211, 9511820), (388, 5172665), (422, 4755910), (485, 4138132), (844, 2377955), (970, 2069066), (1055, 1902364), (1940, 1034533), (2110, 951182), (4220, 475591), (4903, 409340), (9806, 204670), (19612, 102335), (20467, 98060), (24515, 81868), (40934, 49030)]