20816512

素因数分解:

$2^7\times {\mathrm{162629}}^1$

素因数の和:162643

約数の個数: 16

約数和(自身を含む): 41470650

約数和(自身を除く): 20654138

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 162629, 325258, 650516, 1301032, 2602064, 5204128, 10408256, 20816512]

約数ペア:

[(1, 20816512), (2, 10408256), (4, 5204128), (8, 2602064), (16, 1301032), (32, 650516), (64, 325258), (128, 162629)]