20803896

素因数分解:

$2^3\times 3^2\times {\mathrm{283}}^1\times {\mathrm{1021}}^1$

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 56598360

約数和(自身を除く): 35794464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 283, 566, 849, 1021, 1132, 1698, 2042, 2264, 2547, 3063, 3396, 4084, 5094, 6126, 6792, 8168, 9189, 10188, 12252, 18378, 20376, 24504, 36756, 73512, 288943, 577886, 866829, 1155772, 1733658, 2311544, 2600487, 3467316, 5200974, 6934632, 10401948, 20803896]

約数ペア:

[(1, 20803896), (2, 10401948), (3, 6934632), (4, 5200974), (6, 3467316), (8, 2600487), (9, 2311544), (12, 1733658), (18, 1155772), (24, 866829), (36, 577886), (72, 288943), (283, 73512), (566, 36756), (849, 24504), (1021, 20376), (1132, 18378), (1698, 12252), (2042, 10188), (2264, 9189), (2547, 8168), (3063, 6792), (3396, 6126), (4084, 5094)]