20164396

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1307}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 43948800

約数和(自身を除く): 23784404

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 1307, 2204, 2614, 3857, 5228, 7714, 9149, 15428, 18298, 24833, 36596, 37903, 49666, 75806, 99332, 151612, 173831, 265321, 347662, 530642, 695324, 720157, 1061284, 1440314, 2880628, 5041099, 10082198, 20164396]

約数ペア:

[(1, 20164396), (2, 10082198), (4, 5041099), (7, 2880628), (14, 1440314), (19, 1061284), (28, 720157), (29, 695324), (38, 530642), (58, 347662), (76, 265321), (116, 173831), (133, 151612), (203, 99332), (266, 75806), (406, 49666), (532, 37903), (551, 36596), (812, 24833), (1102, 18298), (1307, 15428), (2204, 9149), (2614, 7714), (3857, 5228)]