20145258105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{7331}}^1\times {\mathrm{26171}}^1$

素因数の和:33517

約数の個数: 32

約数和(自身を含む): 36843475968

約数和(自身を除く): 16698217863

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 7331, 21993, 26171, 36655, 51317, 78513, 109965, 130855, 153951, 183197, 256585, 392565, 549591, 769755, 915985, 2747955, 191859601, 575578803, 959298005, 1343017207, 2877894015, 4029051621, 6715086035, 20145258105]

約数ペア:

[(1, 20145258105), (3, 6715086035), (5, 4029051621), (7, 2877894015), (15, 1343017207), (21, 959298005), (35, 575578803), (105, 191859601), (7331, 2747955), (21993, 915985), (26171, 769755), (36655, 549591), (51317, 392565), (78513, 256585), (109965, 183197), (130855, 153951)]