20202828

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 48437760

約数和(自身を除く): 28234932

約数列:

[1, 2, 3, 4, 6, 12, 79, 101, 158, 202, 211, 237, 303, 316, 404, 422, 474, 606, 633, 844, 948, 1212, 1266, 2532, 7979, 15958, 16669, 21311, 23937, 31916, 33338, 42622, 47874, 50007, 63933, 66676, 85244, 95748, 100014, 127866, 200028, 255732, 1683569, 3367138, 5050707, 6734276, 10101414, 20202828]

約数ペア:

[(1, 20202828), (2, 10101414), (3, 6734276), (4, 5050707), (6, 3367138), (12, 1683569), (79, 255732), (101, 200028), (158, 127866), (202, 100014), (211, 95748), (237, 85244), (303, 66676), (316, 63933), (404, 50007), (422, 47874), (474, 42622), (606, 33338), (633, 31916), (844, 23937), (948, 21311), (1212, 16669), (1266, 15958), (2532, 7979)]