20394735

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 33530112

約数和(自身を除く): 13135377

約数列:

[1, 3, 5, 15, 97, 107, 131, 291, 321, 393, 485, 535, 655, 1455, 1605, 1965, 10379, 12707, 14017, 31137, 38121, 42051, 51895, 63535, 70085, 155685, 190605, 210255, 1359649, 4078947, 6798245, 20394735]

約数ペア:

[(1, 20394735), (3, 6798245), (5, 4078947), (15, 1359649), (97, 210255), (107, 190605), (131, 155685), (291, 70085), (321, 63535), (393, 51895), (485, 42051), (535, 38121), (655, 31137), (1455, 14017), (1605, 12707), (1965, 10379)]