20069685

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19391}}^1$

素因数の和:19425

約数の個数: 24

約数和(自身を含む): 36301824

約数和(自身を除く): 16232139

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19391, 58173, 96955, 174519, 290865, 445993, 872595, 1337979, 2229965, 4013937, 6689895, 20069685]

約数ペア:

[(1, 20069685), (3, 6689895), (5, 4013937), (9, 2229965), (15, 1337979), (23, 872595), (45, 445993), (69, 290865), (115, 174519), (207, 96955), (345, 58173), (1035, 19391)]