20689032

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9473}}^1$

素因数の和:9502

約数の個数: 64

約数和(自身を含む): 63665280

約数和(自身を除く): 42976248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 9473, 18946, 28419, 37892, 56838, 66311, 75784, 113676, 123149, 132622, 198933, 227352, 246298, 265244, 369447, 397866, 492596, 530488, 738894, 795732, 862043, 985192, 1477788, 1591464, 1724086, 2586129, 2955576, 3448172, 5172258, 6896344, 10344516, 20689032]

約数ペア:

[(1, 20689032), (2, 10344516), (3, 6896344), (4, 5172258), (6, 3448172), (7, 2955576), (8, 2586129), (12, 1724086), (13, 1591464), (14, 1477788), (21, 985192), (24, 862043), (26, 795732), (28, 738894), (39, 530488), (42, 492596), (52, 397866), (56, 369447), (78, 265244), (84, 246298), (91, 227352), (104, 198933), (156, 132622), (168, 123149), (182, 113676), (273, 75784), (312, 66311), (364, 56838), (546, 37892), (728, 28419), (1092, 18946), (2184, 9473)]