20210005712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97163489}}^1$

素因数の和:97163510

約数の個数: 20

約数和(自身を含む): 42168954660

約数和(自身を除く): 21958948948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 97163489, 194326978, 388653956, 777307912, 1263125357, 1554615824, 2526250714, 5052501428, 10105002856, 20210005712]

約数ペア:

[(1, 20210005712), (2, 10105002856), (4, 5052501428), (8, 2526250714), (13, 1554615824), (16, 1263125357), (26, 777307912), (52, 388653956), (104, 194326978), (208, 97163489)]