20227579267

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{12653}}^1$

素因数の和:12883

約数の個数: 32

約数和(自身を含む): 24490045440

約数和(自身を除く): 4262466173

約数列:

[1, 7, 31, 53, 139, 217, 371, 973, 1643, 4309, 7367, 11501, 12653, 30163, 51569, 88571, 228377, 392243, 670609, 1598639, 1758767, 2745701, 4694263, 12311369, 20788879, 54521777, 93214651, 145522153, 381652439, 652502557, 2889654181, 20227579267]

約数ペア:

[(1, 20227579267), (7, 2889654181), (31, 652502557), (53, 381652439), (139, 145522153), (217, 93214651), (371, 54521777), (973, 20788879), (1643, 12311369), (4309, 4694263), (7367, 2745701), (11501, 1758767), (12653, 1598639), (30163, 670609), (51569, 392243), (88571, 228377)]