20994886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50227}}^1$

素因数の和:50259

約数の個数: 16

約数和(自身を含む): 36164160

約数和(自身を除く): 15169274

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50227, 100454, 552497, 954313, 1104994, 1908626, 10497443, 20994886]

約数ペア:

[(1, 20994886), (2, 10497443), (11, 1908626), (19, 1104994), (22, 954313), (38, 552497), (209, 100454), (418, 50227)]