20787088

素因数分解:

$2^4\times 7^1\times {\mathrm{185599}}^1$

素因数の和:185614

約数の個数: 20

約数和(自身を含む): 46028800

約数和(自身を除く): 25241712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 185599, 371198, 742396, 1299193, 1484792, 2598386, 2969584, 5196772, 10393544, 20787088]

約数ペア:

[(1, 20787088), (2, 10393544), (4, 5196772), (7, 2969584), (8, 2598386), (14, 1484792), (16, 1299193), (28, 742396), (56, 371198), (112, 185599)]