20870656

素因数分解:

$2^9\times {\mathrm{40763}}^1$

素因数の和:40781

約数の個数: 20

約数和(自身を含む): 41701572

約数和(自身を除く): 20830916

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40763, 81526, 163052, 326104, 652208, 1304416, 2608832, 5217664, 10435328, 20870656]

約数ペア:

[(1, 20870656), (2, 10435328), (4, 5217664), (8, 2608832), (16, 1304416), (32, 652208), (64, 326104), (128, 163052), (256, 81526), (512, 40763)]