20983833

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 33761280

約数和(自身を除く): 12777447

約数列:

[1, 3, 9, 13, 27, 39, 117, 191, 313, 351, 573, 939, 1719, 2483, 2817, 4069, 5157, 7449, 8451, 12207, 22347, 36621, 59783, 67041, 109863, 179349, 538047, 777179, 1614141, 2331537, 6994611, 20983833]

約数ペア:

[(1, 20983833), (3, 6994611), (9, 2331537), (13, 1614141), (27, 777179), (39, 538047), (117, 179349), (191, 109863), (313, 67041), (351, 59783), (573, 36621), (939, 22347), (1719, 12207), (2483, 8451), (2817, 7449), (4069, 5157)]