20464552

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 40273920

約数和(自身を除く): 19809368

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 296, 376, 1471, 1739, 2942, 3478, 5884, 6956, 11768, 13912, 54427, 69137, 108854, 138274, 217708, 276548, 435416, 553096, 2558069, 5116138, 10232276, 20464552]

約数ペア:

[(1, 20464552), (2, 10232276), (4, 5116138), (8, 2558069), (37, 553096), (47, 435416), (74, 276548), (94, 217708), (148, 138274), (188, 108854), (296, 69137), (376, 54427), (1471, 13912), (1739, 11768), (2942, 6956), (3478, 5884)]