20577134

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 33606144

約数和(自身を除く): 13029010

約数列:

[1, 2, 23, 43, 46, 86, 101, 103, 202, 206, 989, 1978, 2323, 2369, 4343, 4429, 4646, 4738, 8686, 8858, 10403, 20806, 99889, 101867, 199778, 203734, 239269, 447329, 478538, 894658, 10288567, 20577134]

約数ペア:

[(1, 20577134), (2, 10288567), (23, 894658), (43, 478538), (46, 447329), (86, 239269), (101, 203734), (103, 199778), (202, 101867), (206, 99889), (989, 20806), (1978, 10403), (2323, 8858), (2369, 8686), (4343, 4738), (4429, 4646)]