20487894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1$

素因数の和:329

約数の個数: 64

約数和(自身を含む): 49545216

約数和(自身を除く): 29057322

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 127, 138, 161, 167, 254, 322, 334, 381, 483, 501, 762, 889, 966, 1002, 1169, 1778, 2338, 2667, 2921, 3507, 3841, 5334, 5842, 7014, 7682, 8763, 11523, 17526, 20447, 21209, 23046, 26887, 40894, 42418, 53774, 61341, 63627, 80661, 122682, 127254, 148463, 161322, 296926, 445389, 487807, 890778, 975614, 1463421, 2926842, 3414649, 6829298, 10243947, 20487894]

約数ペア:

[(1, 20487894), (2, 10243947), (3, 6829298), (6, 3414649), (7, 2926842), (14, 1463421), (21, 975614), (23, 890778), (42, 487807), (46, 445389), (69, 296926), (127, 161322), (138, 148463), (161, 127254), (167, 122682), (254, 80661), (322, 63627), (334, 61341), (381, 53774), (483, 42418), (501, 40894), (762, 26887), (889, 23046), (966, 21209), (1002, 20447), (1169, 17526), (1778, 11523), (2338, 8763), (2667, 7682), (2921, 7014), (3507, 5842), (3841, 5334)]