20213988

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{859}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 49412160

約数和(自身を除く): 29198172

約数列:

[1, 2, 3, 4, 6, 12, 37, 53, 74, 106, 111, 148, 159, 212, 222, 318, 444, 636, 859, 1718, 1961, 2577, 3436, 3922, 5154, 5883, 7844, 10308, 11766, 23532, 31783, 45527, 63566, 91054, 95349, 127132, 136581, 182108, 190698, 273162, 381396, 546324, 1684499, 3368998, 5053497, 6737996, 10106994, 20213988]

約数ペア:

[(1, 20213988), (2, 10106994), (3, 6737996), (4, 5053497), (6, 3368998), (12, 1684499), (37, 546324), (53, 381396), (74, 273162), (106, 190698), (111, 182108), (148, 136581), (159, 127132), (212, 95349), (222, 91054), (318, 63566), (444, 45527), (636, 31783), (859, 23532), (1718, 11766), (1961, 10308), (2577, 7844), (3436, 5883), (3922, 5154)]