20469449

素因数分解:

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

素因数の和:79

約数の個数: 32

約数和(自身を含む): 27874560

約数和(自身を除く): 7405111

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 169, 847, 1001, 1183, 1331, 1573, 1859, 2197, 9317, 11011, 13013, 15379, 17303, 20449, 24167, 121121, 143143, 169169, 224939, 265837, 1574573, 1860859, 2924207, 20469449]

約数ペア:

[(1, 20469449), (7, 2924207), (11, 1860859), (13, 1574573), (77, 265837), (91, 224939), (121, 169169), (143, 143143), (169, 121121), (847, 24167), (1001, 20449), (1183, 17303), (1331, 15379), (1573, 13013), (1859, 11011), (2197, 9317)]