20118553872

素因数分解:

$2^4\times 3^1\times {\mathrm{653}}^1\times {\mathrm{641863}}^1$

素因数の和:642527

約数の個数: 40

約数和(自身を含む): 52052602944

約数和(自身を除く): 31934049072

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 653, 1306, 1959, 2612, 3918, 5224, 7836, 10448, 15672, 31344, 641863, 1283726, 1925589, 2567452, 3851178, 5134904, 7702356, 10269808, 15404712, 30809424, 419136539, 838273078, 1257409617, 1676546156, 2514819234, 3353092312, 5029638468, 6706184624, 10059276936, 20118553872]

約数ペア:

[(1, 20118553872), (2, 10059276936), (3, 6706184624), (4, 5029638468), (6, 3353092312), (8, 2514819234), (12, 1676546156), (16, 1257409617), (24, 838273078), (48, 419136539), (653, 30809424), (1306, 15404712), (1959, 10269808), (2612, 7702356), (3918, 5134904), (5224, 3851178), (7836, 2567452), (10448, 1925589), (15672, 1283726), (31344, 641863)]