20410965

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26681}}^1$

素因数の和:26709

約数の個数: 24

約数和(自身を含む): 37461528

約数和(自身を除く): 17050563

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26681, 80043, 133405, 240129, 400215, 453577, 1200645, 1360731, 2267885, 4082193, 6803655, 20410965]

約数ペア:

[(1, 20410965), (3, 6803655), (5, 4082193), (9, 2267885), (15, 1360731), (17, 1200645), (45, 453577), (51, 400215), (85, 240129), (153, 133405), (255, 80043), (765, 26681)]