20123008

素因数分解:

$2^7\times {\mathrm{157211}}^1$

素因数の和:157225

約数の個数: 16

約数和(自身を含む): 40089060

約数和(自身を除く): 19966052

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157211, 314422, 628844, 1257688, 2515376, 5030752, 10061504, 20123008]

約数ペア:

[(1, 20123008), (2, 10061504), (4, 5030752), (8, 2515376), (16, 1257688), (32, 628844), (64, 314422), (128, 157211)]