20784786

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7681}}^1$

素因数の和:7738

約数の個数: 32

約数和(自身を含む): 46460736

約数和(自身を除く): 25675950

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 7681, 15362, 23043, 46086, 84491, 168982, 253473, 314921, 506946, 629842, 944763, 1889526, 3464131, 6928262, 10392393, 20784786]

約数ペア:

[(1, 20784786), (2, 10392393), (3, 6928262), (6, 3464131), (11, 1889526), (22, 944763), (33, 629842), (41, 506946), (66, 314921), (82, 253473), (123, 168982), (246, 84491), (451, 46086), (902, 23043), (1353, 15362), (2706, 7681)]