20916736

素因数分解:

$2^9\times {\mathrm{40853}}^1$

素因数の和:40871

約数の個数: 20

約数和(自身を含む): 41793642

約数和(自身を除く): 20876906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 40853, 81706, 163412, 326824, 653648, 1307296, 2614592, 5229184, 10458368, 20916736]

約数ペア:

[(1, 20916736), (2, 10458368), (4, 5229184), (8, 2614592), (16, 1307296), (32, 653648), (64, 326824), (128, 163412), (256, 81706), (512, 40853)]