20790735

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8609}}^1$

素因数の和:8647

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 18884145

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8609, 25827, 43045, 60263, 129135, 180789, 198007, 301315, 594021, 903945, 990035, 1386049, 2970105, 4158147, 6930245, 20790735]

約数ペア:

[(1, 20790735), (3, 6930245), (5, 4158147), (7, 2970105), (15, 1386049), (21, 990035), (23, 903945), (35, 594021), (69, 301315), (105, 198007), (115, 180789), (161, 129135), (345, 60263), (483, 43045), (805, 25827), (2415, 8609)]