20445170

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15607}}^1$

素因数の和:15745

約数の個数: 16

約数和(自身を含む): 37084608

約数和(自身を除く): 16639438

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15607, 31214, 78035, 156070, 2044517, 4089034, 10222585, 20445170]

約数ペア:

[(1, 20445170), (2, 10222585), (5, 4089034), (10, 2044517), (131, 156070), (262, 78035), (655, 31214), (1310, 15607)]