20905437476

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67874797}}^1$

素因数の和:67874819

約数の個数: 24

約数和(自身を含む): 45611864256

約数和(自身を除く): 24706426780

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67874797, 135749594, 271499188, 475123579, 746622767, 950247158, 1493245534, 1900494316, 2986491068, 5226359369, 10452718738, 20905437476]

約数ペア:

[(1, 20905437476), (2, 10452718738), (4, 5226359369), (7, 2986491068), (11, 1900494316), (14, 1493245534), (22, 950247158), (28, 746622767), (44, 475123579), (77, 271499188), (154, 135749594), (308, 67874797)]