20433915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26711}}^1$

素因数の和:26739

約数の個数: 24

約数和(自身を含む): 37503648

約数和(自身を除く): 17069733

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26711, 80133, 133555, 240399, 400665, 454087, 1201995, 1362261, 2270435, 4086783, 6811305, 20433915]

約数ペア:

[(1, 20433915), (3, 6811305), (5, 4086783), (9, 2270435), (15, 1362261), (17, 1201995), (45, 454087), (51, 400665), (85, 240399), (153, 133555), (255, 80133), (765, 26711)]