20245872

素因数分解:

$2^4\times 3^1\times {\mathrm{211}}^1\times {\mathrm{1999}}^1$

素因数の和:2221

約数の個数: 40

約数和(自身を含む): 52576000

約数和(自身を除く): 32330128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 211, 422, 633, 844, 1266, 1688, 1999, 2532, 3376, 3998, 5064, 5997, 7996, 10128, 11994, 15992, 23988, 31984, 47976, 95952, 421789, 843578, 1265367, 1687156, 2530734, 3374312, 5061468, 6748624, 10122936, 20245872]

約数ペア:

[(1, 20245872), (2, 10122936), (3, 6748624), (4, 5061468), (6, 3374312), (8, 2530734), (12, 1687156), (16, 1265367), (24, 843578), (48, 421789), (211, 95952), (422, 47976), (633, 31984), (844, 23988), (1266, 15992), (1688, 11994), (1999, 10128), (2532, 7996), (3376, 5997), (3998, 5064)]