20408734107

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{158233}}^1$

素因数の和:158540

約数の個数: 32

約数和(自身を含む): 32127831360

約数和(自身を除く): 11719097253

約数列:

[1, 3, 9, 17, 27, 51, 153, 281, 459, 843, 2529, 4777, 7587, 14331, 42993, 128979, 158233, 474699, 1424097, 2689961, 4272291, 8069883, 24209649, 44463473, 72628947, 133390419, 400171257, 755879041, 1200513771, 2267637123, 6802911369, 20408734107]

約数ペア:

[(1, 20408734107), (3, 6802911369), (9, 2267637123), (17, 1200513771), (27, 755879041), (51, 400171257), (153, 133390419), (281, 72628947), (459, 44463473), (843, 24209649), (2529, 8069883), (4777, 4272291), (7587, 2689961), (14331, 1424097), (42993, 474699), (128979, 158233)]