20405706

素因数分解:

$2^1\times 3^1\times {\mathrm{1021}}^1\times {\mathrm{3331}}^1$

素因数の和:4357

約数の個数: 16

約数和(自身を含む): 40863648

約数和(自身を除く): 20457942

約数列:

[1, 2, 3, 6, 1021, 2042, 3063, 3331, 6126, 6662, 9993, 19986, 3400951, 6801902, 10202853, 20405706]

約数ペア:

[(1, 20405706), (2, 10202853), (3, 6801902), (6, 3400951), (1021, 19986), (2042, 9993), (3063, 6662), (3331, 6126)]