20841458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{1171}}^1$

素因数の和:1993

約数の個数: 16

約数和(自身を含む): 34175520

約数和(自身を除く): 13334062

約数列:

[1, 2, 11, 22, 809, 1171, 1618, 2342, 8899, 12881, 17798, 25762, 947339, 1894678, 10420729, 20841458]

約数ペア:

[(1, 20841458), (2, 10420729), (11, 1894678), (22, 947339), (809, 25762), (1171, 17798), (1618, 12881), (2342, 8899)]