20954577

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{13669}}^1$

素因数の和:13752

約数の個数: 16

約数和(自身を含む): 32370560

約数和(自身を除く): 11415983

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 13669, 41007, 95683, 287049, 997837, 2993511, 6984859, 20954577]

約数ペア:

[(1, 20954577), (3, 6984859), (7, 2993511), (21, 997837), (73, 287049), (219, 95683), (511, 41007), (1533, 13669)]