20965432

素因数分解:

$2^3\times {\mathrm{41}}^2\times {\mathrm{1559}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 40318200

約数和(自身を除く): 19352768

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 1559, 1681, 3118, 3362, 6236, 6724, 12472, 13448, 63919, 127838, 255676, 511352, 2620679, 5241358, 10482716, 20965432]

約数ペア:

[(1, 20965432), (2, 10482716), (4, 5241358), (8, 2620679), (41, 511352), (82, 255676), (164, 127838), (328, 63919), (1559, 13448), (1681, 12472), (3118, 6724), (3362, 6236)]