20521018

素因数分解:

$2^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6133}}^1$

素因数の和:6381

約数の個数: 16

約数和(自身を含む): 35331840

約数和(自身を除く): 14810822

約数列:

[1, 2, 7, 14, 239, 478, 1673, 3346, 6133, 12266, 42931, 85862, 1465787, 2931574, 10260509, 20521018]

約数ペア:

[(1, 20521018), (2, 10260509), (7, 2931574), (14, 1465787), (239, 85862), (478, 42931), (1673, 12266), (3346, 6133)]