20969316

素因数分解:

$2^2\times 3^2\times {\mathrm{349}}^1\times {\mathrm{1669}}^1$

素因数の和:2028

約数の個数: 36

約数和(自身を含む): 53189500

約数和(自身を除く): 32220184

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 349, 698, 1047, 1396, 1669, 2094, 3141, 3338, 4188, 5007, 6282, 6676, 10014, 12564, 15021, 20028, 30042, 60084, 582481, 1164962, 1747443, 2329924, 3494886, 5242329, 6989772, 10484658, 20969316]

約数ペア:

[(1, 20969316), (2, 10484658), (3, 6989772), (4, 5242329), (6, 3494886), (9, 2329924), (12, 1747443), (18, 1164962), (36, 582481), (349, 60084), (698, 30042), (1047, 20028), (1396, 15021), (1669, 12564), (2094, 10014), (3141, 6676), (3338, 6282), (4188, 5007)]