20028921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{1801}}^1$

素因数の和:2152

約数の個数: 16

約数和(自身を含む): 29235648

約数和(自身を除く): 9206727

約数列:

[1, 3, 11, 33, 337, 1011, 1801, 3707, 5403, 11121, 19811, 59433, 606937, 1820811, 6676307, 20028921]

約数ペア:

[(1, 20028921), (3, 6676307), (11, 1820811), (33, 606937), (337, 59433), (1011, 19811), (1801, 11121), (3707, 5403)]