20542284

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81517}}^1$

素因数の和:81534

約数の個数: 36

約数和(自身を含む): 59345104

約数和(自身を除く): 38802820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81517, 163034, 244551, 326068, 489102, 570619, 733653, 978204, 1141238, 1467306, 1711857, 2282476, 2934612, 3423714, 5135571, 6847428, 10271142, 20542284]

約数ペア:

[(1, 20542284), (2, 10271142), (3, 6847428), (4, 5135571), (6, 3423714), (7, 2934612), (9, 2282476), (12, 1711857), (14, 1467306), (18, 1141238), (21, 978204), (28, 733653), (36, 570619), (42, 489102), (63, 326068), (84, 244551), (126, 163034), (252, 81517)]