20878336

素因数分解:

$2^{10}\times {\mathrm{20389}}^1$

素因数の和:20409

約数の個数: 22

約数和(自身を含む): 41738330

約数和(自身を除く): 20859994

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20389, 40778, 81556, 163112, 326224, 652448, 1304896, 2609792, 5219584, 10439168, 20878336]

約数ペア:

[(1, 20878336), (2, 10439168), (4, 5219584), (8, 2609792), (16, 1304896), (32, 652448), (64, 326224), (128, 163112), (256, 81556), (512, 40778), (1024, 20389)]