20999788946

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{3517}}^1\times {\mathrm{129803}}^1$

素因数の和:133345

約数の個数: 16

約数和(自身を含む): 32878833984

約数和(自身を除く): 11879045038

約数列:

[1, 2, 23, 46, 3517, 7034, 80891, 129803, 161782, 259606, 2985469, 5970938, 456517151, 913034302, 10499894473, 20999788946]

約数ペア:

[(1, 20999788946), (2, 10499894473), (23, 913034302), (46, 456517151), (3517, 5970938), (7034, 2985469), (80891, 259606), (129803, 161782)]