20084450995

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^2\times {\mathrm{22031}}^1$

素因数の和:22172

約数の個数: 36

約数和(自身を含む): 28504693152

約数和(自身を除く): 8420242157

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 3721, 14945, 18605, 22031, 26047, 110155, 130235, 154217, 182329, 771085, 911645, 1079519, 1343891, 5397595, 6719455, 9407237, 47036185, 65850659, 81977351, 329253295, 409886755, 573841457, 2869207285, 4016890199, 20084450995]

約数ペア:

[(1, 20084450995), (5, 4016890199), (7, 2869207285), (35, 573841457), (49, 409886755), (61, 329253295), (245, 81977351), (305, 65850659), (427, 47036185), (2135, 9407237), (2989, 6719455), (3721, 5397595), (14945, 1343891), (18605, 1079519), (22031, 911645), (26047, 771085), (110155, 182329), (130235, 154217)]