20910904

素因数分解:

$2^3\times 7^1\times {\mathrm{313}}^1\times {\mathrm{1193}}^1$

素因数の和:1519

約数の個数: 32

約数和(自身を含む): 44989920

約数和(自身を除く): 24079016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 313, 626, 1193, 1252, 2191, 2386, 2504, 4382, 4772, 8351, 8764, 9544, 16702, 17528, 33404, 66808, 373409, 746818, 1493636, 2613863, 2987272, 5227726, 10455452, 20910904]

約数ペア:

[(1, 20910904), (2, 10455452), (4, 5227726), (7, 2987272), (8, 2613863), (14, 1493636), (28, 746818), (56, 373409), (313, 66808), (626, 33404), (1193, 17528), (1252, 16702), (2191, 9544), (2386, 8764), (2504, 8351), (4382, 4772)]