20227207

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 27546624

約数和(自身を除く): 7319417

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 167, 847, 1001, 1169, 1331, 1573, 1837, 2171, 9317, 11011, 12859, 15197, 17303, 20207, 23881, 121121, 141449, 167167, 222277, 262691, 1555939, 1838837, 2889601, 20227207]

約数ペア:

[(1, 20227207), (7, 2889601), (11, 1838837), (13, 1555939), (77, 262691), (91, 222277), (121, 167167), (143, 141449), (167, 121121), (847, 23881), (1001, 20207), (1169, 17303), (1331, 15197), (1573, 12859), (1837, 11011), (2171, 9317)]