20475994

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{132961}}^1$

素因数の和:132981

約数の個数: 16

約数和(自身を含む): 38293056

約数和(自身を除く): 17817062

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 132961, 265922, 930727, 1462571, 1861454, 2925142, 10237997, 20475994]

約数ペア:

[(1, 20475994), (2, 10237997), (7, 2925142), (11, 1861454), (14, 1462571), (22, 930727), (77, 265922), (154, 132961)]