20688162

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{947}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 45321984

約数和(自身を除く): 24633822

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 331, 662, 947, 993, 1894, 1986, 2841, 3641, 5682, 7282, 10417, 10923, 20834, 21846, 31251, 62502, 313457, 626914, 940371, 1880742, 3448027, 6896054, 10344081, 20688162]

約数ペア:

[(1, 20688162), (2, 10344081), (3, 6896054), (6, 3448027), (11, 1880742), (22, 940371), (33, 626914), (66, 313457), (331, 62502), (662, 31251), (947, 21846), (993, 20834), (1894, 10923), (1986, 10417), (2841, 7282), (3641, 5682)]