20706894

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^2\times {\mathrm{2269}}^1$

素因数の和:2306

約数の個数: 48

約数和(自身を含む): 49849200

約数和(自身を除く): 29142306

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 169, 234, 338, 351, 507, 702, 1014, 1521, 2269, 3042, 4538, 4563, 6807, 9126, 13614, 20421, 29497, 40842, 58994, 61263, 88491, 122526, 176982, 265473, 383461, 530946, 766922, 796419, 1150383, 1592838, 2300766, 3451149, 6902298, 10353447, 20706894]

約数ペア:

[(1, 20706894), (2, 10353447), (3, 6902298), (6, 3451149), (9, 2300766), (13, 1592838), (18, 1150383), (26, 796419), (27, 766922), (39, 530946), (54, 383461), (78, 265473), (117, 176982), (169, 122526), (234, 88491), (338, 61263), (351, 58994), (507, 40842), (702, 29497), (1014, 20421), (1521, 13614), (2269, 9126), (3042, 6807), (4538, 4563)]