20659635

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19961}}^1$

素因数の和:19995

約数の個数: 24

約数和(自身を含む): 37368864

約数和(自身を除く): 16709229

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19961, 59883, 99805, 179649, 299415, 459103, 898245, 1377309, 2295515, 4131927, 6886545, 20659635]

約数ペア:

[(1, 20659635), (3, 6886545), (5, 4131927), (9, 2295515), (15, 1377309), (23, 898245), (45, 459103), (69, 299415), (115, 179649), (207, 99805), (345, 59883), (1035, 19961)]