20828822

素因数分解:

$2^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{827}}^1$

素因数の和:1100

約数の個数: 24

約数和(自身を含む): 36529704

約数和(自身を除く): 15700882

約数列:

[1, 2, 7, 14, 49, 98, 257, 514, 827, 1654, 1799, 3598, 5789, 11578, 12593, 25186, 40523, 81046, 212539, 425078, 1487773, 2975546, 10414411, 20828822]

約数ペア:

[(1, 20828822), (2, 10414411), (7, 2975546), (14, 1487773), (49, 425078), (98, 212539), (257, 81046), (514, 40523), (827, 25186), (1654, 12593), (1799, 11578), (3598, 5789)]