20452842

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:547

約数の個数: 48

約数和(自身を含む): 46725120

約数和(自身を除く): 26272278

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 127, 138, 207, 254, 381, 389, 414, 762, 778, 1143, 1167, 2286, 2334, 2921, 3501, 5842, 7002, 8763, 8947, 17526, 17894, 26289, 26841, 49403, 52578, 53682, 80523, 98806, 148209, 161046, 296418, 444627, 889254, 1136269, 2272538, 3408807, 6817614, 10226421, 20452842]

約数ペア:

[(1, 20452842), (2, 10226421), (3, 6817614), (6, 3408807), (9, 2272538), (18, 1136269), (23, 889254), (46, 444627), (69, 296418), (127, 161046), (138, 148209), (207, 98806), (254, 80523), (381, 53682), (389, 52578), (414, 49403), (762, 26841), (778, 26289), (1143, 17894), (1167, 17526), (2286, 8947), (2334, 8763), (2921, 7002), (3501, 5842)]