20493858

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6337}}^1$

素因数の和:6367

約数の個数: 48

約数和(自身を含む): 52022304

約数和(自身を除く): 31528446

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 539, 1078, 1617, 3234, 6337, 12674, 19011, 38022, 44359, 69707, 88718, 133077, 139414, 209121, 266154, 310513, 418242, 487949, 621026, 931539, 975898, 1463847, 1863078, 2927694, 3415643, 6831286, 10246929, 20493858]

約数ペア:

[(1, 20493858), (2, 10246929), (3, 6831286), (6, 3415643), (7, 2927694), (11, 1863078), (14, 1463847), (21, 975898), (22, 931539), (33, 621026), (42, 487949), (49, 418242), (66, 310513), (77, 266154), (98, 209121), (147, 139414), (154, 133077), (231, 88718), (294, 69707), (462, 44359), (539, 38022), (1078, 19011), (1617, 12674), (3234, 6337)]