20537433

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7951}}^1$

素因数の和:8005

約数の個数: 24

約数和(自身を含む): 34734336

約数和(自身を除く): 14196903

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7951, 23853, 55657, 71559, 166971, 325991, 500913, 977973, 2281937, 2933919, 6845811, 20537433]

約数ペア:

[(1, 20537433), (3, 6845811), (7, 2933919), (9, 2281937), (21, 977973), (41, 500913), (63, 325991), (123, 166971), (287, 71559), (369, 55657), (861, 23853), (2583, 7951)]