20727675

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5419}}^1$

素因数の和:5452

約数の個数: 36

約数和(自身を含む): 39316680

約数和(自身を除く): 18589005

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5419, 16257, 27095, 48771, 81285, 92123, 135475, 243855, 276369, 406425, 460615, 829107, 1219275, 1381845, 2303075, 4145535, 6909225, 20727675]

約数ペア:

[(1, 20727675), (3, 6909225), (5, 4145535), (9, 2303075), (15, 1381845), (17, 1219275), (25, 829107), (45, 460615), (51, 406425), (75, 276369), (85, 243855), (153, 135475), (225, 92123), (255, 81285), (425, 48771), (765, 27095), (1275, 16257), (3825, 5419)]