20145857535

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{16421}}^1$

素因数の和:16768

約数の個数: 48

約数和(自身を含む): 35353281600

約数和(自身を除く): 15207424065

約数列:

[1, 3, 5, 9, 15, 45, 137, 199, 411, 597, 685, 995, 1233, 1791, 2055, 2985, 6165, 8955, 16421, 27263, 49263, 81789, 82105, 136315, 147789, 245367, 246315, 408945, 738945, 1226835, 2249677, 3267779, 6749031, 9803337, 11248385, 16338895, 20247093, 29410011, 33745155, 49016685, 101235465, 147050055, 447685723, 1343057169, 2238428615, 4029171507, 6715285845, 20145857535]

約数ペア:

[(1, 20145857535), (3, 6715285845), (5, 4029171507), (9, 2238428615), (15, 1343057169), (45, 447685723), (137, 147050055), (199, 101235465), (411, 49016685), (597, 33745155), (685, 29410011), (995, 20247093), (1233, 16338895), (1791, 11248385), (2055, 9803337), (2985, 6749031), (6165, 3267779), (8955, 2249677), (16421, 1226835), (27263, 738945), (49263, 408945), (81789, 246315), (82105, 245367), (136315, 147789)]