20016512

素因数分解:

$2^7\times {\mathrm{353}}^1\times {\mathrm{443}}^1$

素因数の和:810

約数の個数: 32

約数和(自身を含む): 40079880

約数和(自身を除く): 20063368

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 353, 443, 706, 886, 1412, 1772, 2824, 3544, 5648, 7088, 11296, 14176, 22592, 28352, 45184, 56704, 156379, 312758, 625516, 1251032, 2502064, 5004128, 10008256, 20016512]

約数ペア:

[(1, 20016512), (2, 10008256), (4, 5004128), (8, 2502064), (16, 1251032), (32, 625516), (64, 312758), (128, 156379), (353, 56704), (443, 45184), (706, 28352), (886, 22592), (1412, 14176), (1772, 11296), (2824, 7088), (3544, 5648)]