20965892

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{3779}}^1$

素因数の和:3875

約数の個数: 24

約数和(自身を含む): 39160800

約数和(自身を除く): 18194908

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 1387, 2774, 3779, 5548, 7558, 15116, 71801, 143602, 275867, 287204, 551734, 1103468, 5241473, 10482946, 20965892]

約数ペア:

[(1, 20965892), (2, 10482946), (4, 5241473), (19, 1103468), (38, 551734), (73, 287204), (76, 275867), (146, 143602), (292, 71801), (1387, 15116), (2774, 7558), (3779, 5548)]