20782470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1361}}^1$

素因数の和:1880

約数の個数: 32

約数和(自身を含む): 50012640

約数和(自身を除く): 29230170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 509, 1018, 1361, 1527, 2545, 2722, 3054, 4083, 5090, 6805, 7635, 8166, 13610, 15270, 20415, 40830, 692749, 1385498, 2078247, 3463745, 4156494, 6927490, 10391235, 20782470]

約数ペア:

[(1, 20782470), (2, 10391235), (3, 6927490), (5, 4156494), (6, 3463745), (10, 2078247), (15, 1385498), (30, 692749), (509, 40830), (1018, 20415), (1361, 15270), (1527, 13610), (2545, 8166), (2722, 7635), (3054, 6805), (4083, 5090)]