20434590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20641}}^1$

素因数の和:20665

約数の個数: 48

約数和(自身を含む): 57962736

約数和(自身を除く): 37528146

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20641, 41282, 61923, 103205, 123846, 185769, 206410, 227051, 309615, 371538, 454102, 619230, 681153, 928845, 1135255, 1362306, 1857690, 2043459, 2270510, 3405765, 4086918, 6811530, 10217295, 20434590]

約数ペア:

[(1, 20434590), (2, 10217295), (3, 6811530), (5, 4086918), (6, 3405765), (9, 2270510), (10, 2043459), (11, 1857690), (15, 1362306), (18, 1135255), (22, 928845), (30, 681153), (33, 619230), (45, 454102), (55, 371538), (66, 309615), (90, 227051), (99, 206410), (110, 185769), (165, 123846), (198, 103205), (330, 61923), (495, 41282), (990, 20641)]