20890112

素因数分解:

$2^9\times {\mathrm{40801}}^1$

素因数の和:40819

約数の個数: 20

約数和(自身を含む): 41740446

約数和(自身を除く): 20850334

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40801, 81602, 163204, 326408, 652816, 1305632, 2611264, 5222528, 10445056, 20890112]

約数ペア:

[(1, 20890112), (2, 10445056), (4, 5222528), (8, 2611264), (16, 1305632), (32, 652816), (64, 326408), (128, 163204), (256, 81602), (512, 40801)]