20126236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9001}}^1$

素因数の和:9061

約数の個数: 24

約数和(自身を含む): 38816624

約数和(自身を除く): 18690388

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9001, 18002, 36004, 117013, 234026, 387043, 468052, 774086, 1548172, 5031559, 10063118, 20126236]

約数ペア:

[(1, 20126236), (2, 10063118), (4, 5031559), (13, 1548172), (26, 774086), (43, 468052), (52, 387043), (86, 234026), (172, 117013), (559, 36004), (1118, 18002), (2236, 9001)]