20701748

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5233}}^1$

素因数の和:5303

約数の個数: 24

約数和(自身を含む): 38689728

約数和(自身を除く): 17987980

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 172, 989, 1978, 3956, 5233, 10466, 20932, 120359, 225019, 240718, 450038, 481436, 900076, 5175437, 10350874, 20701748]

約数ペア:

[(1, 20701748), (2, 10350874), (4, 5175437), (23, 900076), (43, 481436), (46, 450038), (86, 240718), (92, 225019), (172, 120359), (989, 20932), (1978, 10466), (3956, 5233)]