20003496478

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4978471}}^1$

素因数の和:4978528

約数の個数: 24

約数和(自身を含む): 35755385904

約数和(自身を除く): 15751889426

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 4978471, 9956942, 34849297, 69698594, 204117311, 243945079, 408234622, 487890158, 1428821177, 2857642354, 10001748239, 20003496478]

約数ペア:

[(1, 20003496478), (2, 10001748239), (7, 2857642354), (14, 1428821177), (41, 487890158), (49, 408234622), (82, 243945079), (98, 204117311), (287, 69698594), (574, 34849297), (2009, 9956942), (4018, 4978471)]