20746552

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2399}}^1$

素因数の和:2475

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 20725448

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 2399, 4324, 4798, 8648, 9596, 19192, 55177, 110354, 112753, 220708, 225506, 441416, 451012, 902024, 2593319, 5186638, 10373276, 20746552]

約数ペア:

[(1, 20746552), (2, 10373276), (4, 5186638), (8, 2593319), (23, 902024), (46, 451012), (47, 441416), (92, 225506), (94, 220708), (184, 112753), (188, 110354), (376, 55177), (1081, 19192), (2162, 9596), (2399, 8648), (4324, 4798)]