20809864502

素因数分解:

$2^1\times 7^1\times {\mathrm{1499}}^1\times {\mathrm{991607}}^1$

素因数の和:993115

約数の個数: 16

約数和(自身を含む): 35697888000

約数和(自身を除く): 14888023498

約数列:

[1, 2, 7, 14, 1499, 2998, 10493, 20986, 991607, 1983214, 6941249, 13882498, 1486418893, 2972837786, 10404932251, 20809864502]

約数ペア:

[(1, 20809864502), (2, 10404932251), (7, 2972837786), (14, 1486418893), (1499, 13882498), (2998, 6941249), (10493, 1983214), (20986, 991607)]