20287254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1307}}^1$

素因数の和:1524

約数の個数: 32

約数和(自身を含む): 43948800

約数和(自身を除く): 23661546

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 199, 398, 597, 1194, 1307, 2587, 2614, 3921, 5174, 7761, 7842, 15522, 16991, 33982, 50973, 101946, 260093, 520186, 780279, 1560558, 3381209, 6762418, 10143627, 20287254]

約数ペア:

[(1, 20287254), (2, 10143627), (3, 6762418), (6, 3381209), (13, 1560558), (26, 780279), (39, 520186), (78, 260093), (199, 101946), (398, 50973), (597, 33982), (1194, 16991), (1307, 15522), (2587, 7842), (2614, 7761), (3921, 5174)]