20647528132

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67037429}}^1$

素因数の和:67037451

約数の個数: 24

約数和(自身を含む): 45049152960

約数和(自身を除く): 24401624828

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 67037429, 134074858, 268149716, 469262003, 737411719, 938524006, 1474823438, 1877048012, 2949646876, 5161882033, 10323764066, 20647528132]

約数ペア:

[(1, 20647528132), (2, 10323764066), (4, 5161882033), (7, 2949646876), (11, 1877048012), (14, 1474823438), (22, 938524006), (28, 737411719), (44, 469262003), (77, 268149716), (154, 134074858), (308, 67037429)]