20862315

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{27271}}^1$

素因数の和:27299

約数の個数: 24

約数和(自身を含む): 38289888

約数和(自身を除く): 17427573

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 27271, 81813, 136355, 245439, 409065, 463607, 1227195, 1390821, 2318035, 4172463, 6954105, 20862315]

約数ペア:

[(1, 20862315), (3, 6954105), (5, 4172463), (9, 2318035), (15, 1390821), (17, 1227195), (45, 463607), (51, 409065), (85, 245439), (153, 136355), (255, 81813), (765, 27271)]