20490714

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{10639}}^1$

素因数の和:10754

約数の個数: 24

約数和(自身を含む): 44815680

約数和(自身を除く): 24324966

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 10639, 21278, 31917, 63834, 95751, 191502, 1138373, 2276746, 3415119, 6830238, 10245357, 20490714]

約数ペア:

[(1, 20490714), (2, 10245357), (3, 6830238), (6, 3415119), (9, 2276746), (18, 1138373), (107, 191502), (214, 95751), (321, 63834), (642, 31917), (963, 21278), (1926, 10639)]