20996542

素因数分解:

$2^1\times 7^1\times {\mathrm{1151}}^1\times {\mathrm{1303}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 36052992

約数和(自身を除く): 15056450

約数列:

[1, 2, 7, 14, 1151, 1303, 2302, 2606, 8057, 9121, 16114, 18242, 1499753, 2999506, 10498271, 20996542]

約数ペア:

[(1, 20996542), (2, 10498271), (7, 2999506), (14, 1499753), (1151, 18242), (1303, 16114), (2302, 9121), (2606, 8057)]