20029995

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26183}}^1$

素因数の和:26211

約数の個数: 24

約数和(自身を含む): 36762336

約数和(自身を除く): 16732341

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26183, 78549, 130915, 235647, 392745, 445111, 1178235, 1335333, 2225555, 4005999, 6676665, 20029995]

約数ペア:

[(1, 20029995), (3, 6676665), (5, 4005999), (9, 2225555), (15, 1335333), (17, 1178235), (45, 445111), (51, 392745), (85, 235647), (153, 130915), (255, 78549), (765, 26183)]