20424735

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26699}}^1$

素因数の和:26727

約数の個数: 24

約数和(自身を含む): 37486800

約数和(自身を除く): 17062065

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26699, 80097, 133495, 240291, 400485, 453883, 1201455, 1361649, 2269415, 4084947, 6808245, 20424735]

約数ペア:

[(1, 20424735), (3, 6808245), (5, 4084947), (9, 2269415), (15, 1361649), (17, 1201455), (45, 453883), (51, 400485), (85, 240291), (153, 133495), (255, 80097), (765, 26699)]