20008638

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2311}}^1$

素因数の和:2369

約数の個数: 48

約数和(自身を含む): 47969376

約数和(自身を除く): 27960738

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 37, 39, 74, 78, 111, 117, 222, 234, 333, 481, 666, 962, 1443, 2311, 2886, 4329, 4622, 6933, 8658, 13866, 20799, 30043, 41598, 60086, 85507, 90129, 171014, 180258, 256521, 270387, 513042, 540774, 769563, 1111591, 1539126, 2223182, 3334773, 6669546, 10004319, 20008638]

約数ペア:

[(1, 20008638), (2, 10004319), (3, 6669546), (6, 3334773), (9, 2223182), (13, 1539126), (18, 1111591), (26, 769563), (37, 540774), (39, 513042), (74, 270387), (78, 256521), (111, 180258), (117, 171014), (222, 90129), (234, 85507), (333, 60086), (481, 41598), (666, 30043), (962, 20799), (1443, 13866), (2311, 8658), (2886, 6933), (4329, 4622)]