20165202505

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{12919}}^1$

素因数の和:13238

約数の個数: 48

約数和(自身を含む): 29481166080

約数和(自身を除く): 9315963575

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 277, 805, 1127, 1385, 1939, 5635, 6371, 9695, 12919, 13573, 31855, 44597, 64595, 67865, 90433, 222985, 297137, 312179, 452165, 633031, 1485685, 1560895, 2079959, 3165155, 3578563, 10399795, 14559713, 17892815, 25049941, 72798565, 82306949, 125249705, 175349587, 411534745, 576148643, 876747935, 2880743215, 4033040501, 20165202505]

約数ペア:

[(1, 20165202505), (5, 4033040501), (7, 2880743215), (23, 876747935), (35, 576148643), (49, 411534745), (115, 175349587), (161, 125249705), (245, 82306949), (277, 72798565), (805, 25049941), (1127, 17892815), (1385, 14559713), (1939, 10399795), (5635, 3578563), (6371, 3165155), (9695, 2079959), (12919, 1560895), (13573, 1485685), (31855, 633031), (44597, 452165), (64595, 312179), (67865, 297137), (90433, 222985)]