20940966

素因数分解:

$2^1\times 3^2\times {\mathrm{373}}^1\times {\mathrm{3119}}^1$

素因数の和:3500

約数の個数: 24

約数和(自身を含む): 45508320

約数和(自身を除く): 24567354

約数列:

[1, 2, 3, 6, 9, 18, 373, 746, 1119, 2238, 3119, 3357, 6238, 6714, 9357, 18714, 28071, 56142, 1163387, 2326774, 3490161, 6980322, 10470483, 20940966]

約数ペア:

[(1, 20940966), (2, 10470483), (3, 6980322), (6, 3490161), (9, 2326774), (18, 1163387), (373, 56142), (746, 28071), (1119, 18714), (2238, 9357), (3119, 6714), (3357, 6238)]